( (IP-MAT (PP-SBJ (NP (PRO これ))
                  (P-OPTR は))
          (NP-PRD (IP-REL (NP-SBJ *T*)
                          (IP-ADV-SCON (NP-SBJ *arb*)
                                       (VB 黙っ)
                                       (P-CONN て)
                                       (VB2 い)
                                       (P-CONN て))
                          (VB 済む))
                  (N 問題))
          (AX で)
          (P-OPTR は)
          (NEG ない)
          (PU 。))
  (ID 492_textbook_djg_advanced;page_565;JP))