( (IP-MAT (NP-SBJ *speaker+pro*)
          (PP-ADV (NP (IP-EMB (PP (NP (N 膵臓))
                                  (P-ROLE に))
                              (PP-SBJ (NP (N 問題))
                                      (P-ROLE が))
                              (VB ある))
                      (N 場合))
                  (P-OPTR は))
          (PP-OB1 (NP (PP (NP (N 膵臓))
                          (P-ROLE の))
                      (N 細胞))
                  (P-ROLE を))
          (VB 取り出す)
          (FN わけ)
          (AX です))
  (ID 184_ted_talk_9;AnthonyAtala_2009P;JP))