( (IP-MAT (PP-SBJ (NP (N haha))
                  (P-OPTR wa))
          (PP-SCON-CND (IP-ADV (CP-THT-OB1 (CP-QUE (IP-SUB (NP-SBJ *pro*)
                                                           (NP-PRD (WPRO dochira)))
                                                   (P-OPTR ka))
                                           (P-ROLE to))
                               (VB iu))
                       (P-CONN to))
          (PU ,)
          (NP-PRD (IP-REL (NP-SBJ *T*)
                          (ADJI otonashii))
                  (N hoo))
          (AX desu)
          (PU .))
  (ID 63_textbook_djg_advanced;page_79;JP))