138_a_hedgehog
We do not understand why it does that .

%3 0138_0003__not not 0138_0004__understand understand 0138_0003__not->0138_0004__understand [scope] 0138_0001__We we 0138_0004__understand->0138_0001__We [arg0] z_0138_1003 [question] 0138_0004__understand->z_0138_1003 [arg1] 0138_0007__does does z_0138_1003->0138_0007__does [scope] 0138_0005__why why 0138_0007__does->0138_0005__why [mnr] 0138_0006__it it 0138_0007__does->0138_0006__it [arg0] z_0138_1006 _ 0138_0007__does->z_0138_1006 [arg1]
arc(r_0138_0003__not,r_0138_0004__understand,keep_scope).
arc(r_0138_0004__understand,r_0138_0001__We,arg0).
arc(r_0138_0004__understand,z_0138_1003__question,arg1).
arc(r_0138_0007__does,r_0138_0005__why,mnr).
arc(r_0138_0007__does,r_0138_0006__it,arg0).
arc(r_0138_0007__does,z_0138_1006,arg1).
arc(z_0138_1003__question,r_0138_0007__does,keep_scope).


IP-MAT NP-SBJ PRO We DOP do NEG not VB;~Tw understand CP-QUE-OB1 IP-SUB ADVP-MNR WADV why NP-SBJ PRO it DOP;~Tn does NP-OB1 P-ROLE that PUNC .
( (IP-MAT (NP-SBJ (PRO We;{we}))
          (DOP do;{do})
          (NEG not;{not})
          (VB;~Tw understand;{understand})
          (CP-QUE-OB1 (IP-SUB (ADVP-MNR (WADV why;{why}))
                              (NP-SBJ;{HEDGEHOG} (PRO it;{it}))
                              (DOP;~Tn does;{do})
                              (NP-OB1 (P-ROLE that;{that}))))
          (PUNC .))
  (ID 138_a_hedgehog;speaker=Stewart))