79_a_voice_of_america
They say the surface has canyons that were most likely caused by some type of liquid.

%3 0079_0002__say say 0079_0001__They They 0079_0002__say->0079_0001__They [arg0] 0079_0005__has has 0079_0002__say->0079_0005__has [arg1] 0079_0003__the_4__surface the_surface 0079_0005__has->0079_0003__the_4__surface [arg0] 0079_0006__canyons canyons 0079_0005__has->0079_0006__canyons [arg1] 0079_0008__were were 0079_0010__caused caused 0079_0008__were->0079_0010__caused [scope] 0079_0010__caused->0079_0006__canyons [inv][arg1] 0079_0009__most_likely most_likely 0079_0010__caused->0079_0009__most_likely [nim] 0079_0012__some_13__type some_type 0079_0010__caused->0079_0012__some_13__type by[arg0] 0079_0015__liquid liquid 0079_0012__some_13__type->0079_0015__liquid of
arc(r_0079_0002__say,r_0079_0001__They,arg0).
arc(r_0079_0002__say,r_0079_0005__has,arg1).
arc(r_0079_0005__has,r_0079_0003__the_r_0079_0004__surface,arg0).
arc(r_0079_0005__has,r_0079_0006__canyons,arg1).
arc(r_0079_0008__were,r_0079_0010__caused,scope).
arc(r_0079_0010__caused,r_0079_0006__canyons,inv_arg1).
arc(r_0079_0010__caused,r_0079_0009__most_likely,nim).
arc(r_0079_0010__caused,r_0079_0012__some_r_0079_0013__type,r_0079_0011__by_arg0).
arc(r_0079_0012__some_r_0079_0013__type,r_0079_0015__liquid,r_0079_0014__of).

n79_a_voice_of_america n79_a_voice_of_america__1_1_1_1 They n79_a_voice_of_america__1_2_1 say n79_a_voice_of_america__1_3_1_1_1_1 the n79_a_voice_of_america__1_3_1_1_2_1 surface n79_a_voice_of_america__1_3_1_2_1 has n79_a_voice_of_america__1_3_1_3_1_1 canyons n79_a_voice_of_america__1_3_1_3_2_1_1 that n79_a_voice_of_america__1_3_1_3_2_2_1 *T* n79_a_voice_of_america__1_3_1_3_2_3_1 were n79_a_voice_of_america__1_3_1_3_2_4_1_1_1 most_likely n79_a_voice_of_america__1_3_1_3_2_4_2_1 caused n79_a_voice_of_america__1_3_1_3_2_4_3_1_1 by n79_a_voice_of_america__1_3_1_3_2_4_3_2_1_1 some n79_a_voice_of_america__1_3_1_3_2_4_3_2_2_1 type n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_1_1 of n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2_1_1 liquid n79_a_voice_of_america__1_4_1 . n79_a_voice_of_america__1 IP-MAT n79_a_voice_of_america__1_1 NP-SBJ n79_a_voice_of_america__1->n79_a_voice_of_america__1_1 n79_a_voice_of_america__1_2 VBP;~Tf n79_a_voice_of_america__1->n79_a_voice_of_america__1_2 n79_a_voice_of_america__1_3 CP-THT-OB1 n79_a_voice_of_america__1->n79_a_voice_of_america__1_3 n79_a_voice_of_america__1_4 PUNC n79_a_voice_of_america__1->n79_a_voice_of_america__1_4 n79_a_voice_of_america__1_1_1 PRO n79_a_voice_of_america__1_1->n79_a_voice_of_america__1_1_1 n79_a_voice_of_america__1_1_1->n79_a_voice_of_america__1_1_1_1 n79_a_voice_of_america__1_2->n79_a_voice_of_america__1_2_1 n79_a_voice_of_america__1_3_1 IP-SUB n79_a_voice_of_america__1_3->n79_a_voice_of_america__1_3_1 n79_a_voice_of_america__1_3_1_1 NP-SBJ n79_a_voice_of_america__1_3_1->n79_a_voice_of_america__1_3_1_1 n79_a_voice_of_america__1_3_1_2 HVP;~Tn n79_a_voice_of_america__1_3_1->n79_a_voice_of_america__1_3_1_2 n79_a_voice_of_america__1_3_1_3 NP-OB1 n79_a_voice_of_america__1_3_1->n79_a_voice_of_america__1_3_1_3 n79_a_voice_of_america__1_3_1_1_1 D n79_a_voice_of_america__1_3_1_1->n79_a_voice_of_america__1_3_1_1_1 n79_a_voice_of_america__1_3_1_1_2 N n79_a_voice_of_america__1_3_1_1->n79_a_voice_of_america__1_3_1_1_2 n79_a_voice_of_america__1_3_1_1_1->n79_a_voice_of_america__1_3_1_1_1_1 n79_a_voice_of_america__1_3_1_1_2->n79_a_voice_of_america__1_3_1_1_2_1 n79_a_voice_of_america__1_3_1_2->n79_a_voice_of_america__1_3_1_2_1 n79_a_voice_of_america__1_3_1_3_1 NS n79_a_voice_of_america__1_3_1_3->n79_a_voice_of_america__1_3_1_3_1 n79_a_voice_of_america__1_3_1_3_2 IP-REL n79_a_voice_of_america__1_3_1_3->n79_a_voice_of_america__1_3_1_3_2 n79_a_voice_of_america__1_3_1_3_1->n79_a_voice_of_america__1_3_1_3_1_1 n79_a_voice_of_america__1_3_1_3_2_1 C n79_a_voice_of_america__1_3_1_3_2->n79_a_voice_of_america__1_3_1_3_2_1 n79_a_voice_of_america__1_3_1_3_2_2 NP-SBJ n79_a_voice_of_america__1_3_1_3_2->n79_a_voice_of_america__1_3_1_3_2_2 n79_a_voice_of_america__1_3_1_3_2_3 BED;~cat_Ve_passive_ n79_a_voice_of_america__1_3_1_3_2->n79_a_voice_of_america__1_3_1_3_2_3 n79_a_voice_of_america__1_3_1_3_2_4 IP-PPL-CAT n79_a_voice_of_america__1_3_1_3_2->n79_a_voice_of_america__1_3_1_3_2_4 n79_a_voice_of_america__1_3_1_3_2_1->n79_a_voice_of_america__1_3_1_3_2_1_1 n79_a_voice_of_america__1_3_1_3_2_2->n79_a_voice_of_america__1_3_1_3_2_2_1 n79_a_voice_of_america__1_3_1_3_2_3->n79_a_voice_of_america__1_3_1_3_2_3_1 n79_a_voice_of_america__1_3_1_3_2_4_1 ADVP-NIM n79_a_voice_of_america__1_3_1_3_2_4->n79_a_voice_of_america__1_3_1_3_2_4_1 n79_a_voice_of_america__1_3_1_3_2_4_2 VVN;~Tn n79_a_voice_of_america__1_3_1_3_2_4->n79_a_voice_of_america__1_3_1_3_2_4_2 n79_a_voice_of_america__1_3_1_3_2_4_3 PP-LGS n79_a_voice_of_america__1_3_1_3_2_4->n79_a_voice_of_america__1_3_1_3_2_4_3 n79_a_voice_of_america__1_3_1_3_2_4_1_1 ADV n79_a_voice_of_america__1_3_1_3_2_4_1->n79_a_voice_of_america__1_3_1_3_2_4_1_1 n79_a_voice_of_america__1_3_1_3_2_4_1_1->n79_a_voice_of_america__1_3_1_3_2_4_1_1_1 n79_a_voice_of_america__1_3_1_3_2_4_2->n79_a_voice_of_america__1_3_1_3_2_4_2_1 n79_a_voice_of_america__1_3_1_3_2_4_3_1 P-ROLE;_lgs_ n79_a_voice_of_america__1_3_1_3_2_4_3->n79_a_voice_of_america__1_3_1_3_2_4_3_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2 NP n79_a_voice_of_america__1_3_1_3_2_4_3->n79_a_voice_of_america__1_3_1_3_2_4_3_2 n79_a_voice_of_america__1_3_1_3_2_4_3_1->n79_a_voice_of_america__1_3_1_3_2_4_3_1_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2_1 D n79_a_voice_of_america__1_3_1_3_2_4_3_2->n79_a_voice_of_america__1_3_1_3_2_4_3_2_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2_2 N n79_a_voice_of_america__1_3_1_3_2_4_3_2->n79_a_voice_of_america__1_3_1_3_2_4_3_2_2 n79_a_voice_of_america__1_3_1_3_2_4_3_2_3 PP n79_a_voice_of_america__1_3_1_3_2_4_3_2->n79_a_voice_of_america__1_3_1_3_2_4_3_2_3 n79_a_voice_of_america__1_3_1_3_2_4_3_2_1->n79_a_voice_of_america__1_3_1_3_2_4_3_2_1_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2_2->n79_a_voice_of_america__1_3_1_3_2_4_3_2_2_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_1 P-ROLE n79_a_voice_of_america__1_3_1_3_2_4_3_2_3->n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2 NP n79_a_voice_of_america__1_3_1_3_2_4_3_2_3->n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2 n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_1->n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_1_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2_1 N n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2->n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2_1 n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2_1->n79_a_voice_of_america__1_3_1_3_2_4_3_2_3_2_1_1 n79_a_voice_of_america__1_4->n79_a_voice_of_america__1_4_1
( (IP-MAT (NP-SBJ;{ESA_OFFICIALS} (PRO They;{they}))
          (VBP;~Tf say;{say})
          (CP-THT-OB1 (IP-SUB (NP-SBJ (D the;{the})
                                      (N surface;{surface}))
                              (HVP;~Tn has;{have})
                              (NP-OB1 (NS canyons;{canyon})
                                      (IP-REL (C that;{that})
                                              (NP-SBJ *T*)
                                              (BED;~cat_Ve_passive_ were;{be})
                                              (IP-PPL-CAT (ADVP-NIM (ADV most_likely;{most_likely}))
                                                          (VVN;~Tn caused;{cause})
                                                          (PP-LGS (P-ROLE;_lgs_ by;{by})
                                                                  (NP (D some;{some})
                                                                      (N type;{type})
                                                                      (PP (P-ROLE of;{of})
                                                                          (NP (N liquid;{liquid}))))))))))
          (PUNC .))
  (ID 79_a_voice_of_america;p00d0309))