( (IP-MAT (NP-SBJ *speaker+pro*)
          (PP-OB1 (NP (N 軟骨細胞))
                  (P-ROLE を))
          (VB のせ)
          (P-CONN て)
          (VB2 いる)
          (FN ところ)
          (AX です))
  (ID 131_ted_talk_9;AnthonyAtala_2009P;JP))