( (IP-MAT (NP-SBJ *pro*)
          (NP-ADV (D この)
                  (N 場合))
          (PU 、)
          (NP-PRD (CP-THT (IP-SUB (PP-SBJ (NP (IP-REL (NP-SBJ *T*)
                                                      (PP-CMPL (NP (N 頼り))
                                                               (P-ROLE に))
                                                      (VB なる))
                                              (N の))
                                          (P-OPTR は))
                                  (PU 、)
                                  (PP;*SBJ* (NP (PP (NP (N 現場))
                                                    (P-ROLE の))
                                                (N 肉声))
                                            (P-OPTR しか))
                                  (ADJI ない))
                          (P-COMP という))
                  (N わけ))
          (AX だ)
          (PU 。))
  (ID 8_book_excerpt-16;JP))