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