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_0079_0004__surface the_surface 0079_0005__has->0079_0003__the_0079_0004__surface [arg0] 0079_0006__canyons canyons 0079_0005__has->0079_0006__canyons [arg1] 0079_0008__were_0079_0009__most_likely_0079_0010__caused were_most_likely_caused 0079_0008__were_0079_0009__most_likely_0079_0010__caused->0079_0006__canyons [arg1] 0079_0012__some_0079_0013__type some_type 0079_0008__were_0079_0009__most_likely_0079_0010__caused->0079_0012__some_0079_0013__type [arg0]by[lgs] 0079_0015__liquid liquid 0079_0012__some_0079_0013__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_0009__most_likely_r_0079_0010__caused,r_0079_0006__canyons,arg1).
arc(r_0079_0008__were_r_0079_0009__most_likely_r_0079_0010__caused,r_0079_0012__some_r_0079_0013__type,arg0_r_0079_0011__by__lgs).
arc(r_0079_0012__some_r_0079_0013__type,r_0079_0015__liquid,r_0079_0014__of).


IP-MAT NP-SBJ PRO They VBP;~Tf say CP-THT-OB1 IP-SUB NP-SBJ D the N surface HVP;~Tn has NP-OB1 NS canyons IP-REL NP-SBJ RPRO that BED;~cat_Ve_passive_ were IP-PPL-CAT ADVP-MOD ADV most_likely VVN caused PP-LGS P-ROLE by NP D some N type PP P-ROLE of NP N liquid PUNC .
( (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 (NP-SBJ (RPRO that;{that}))
                                              (BED;~cat_Ve_passive_ were;{be})
                                              (IP-PPL-CAT (ADVP-MOD (ADV most_likely;{most_likely}))
                                                          (VVN caused;{cause})
                                                          (PP-LGS (P-ROLE 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))