( (IP-MAT (PP-SBJ (NP (PRO watashi))
                  (P-OPTR wa))
          (NP-TMP (D sono)
                  (N toki))
          (PU ,)
          (IP-ADV-CONJ (VB umare)
                       (P-CONN te))
          (ADVP (ADV hajimete))
          (PP-OB1 (NP (PP (NP (N shinki-roo))
                          (P-ROLE to-iu))
                      (N mono))
                  (P-ROLE o))
          (VB mi)
          (AXD ta)
          (PU .))
  (ID 13_aozora_Edogawa-1929;JP))