( (IP-MAT (PP-SBJ (NP (D その)
                      (N 大人))
                  (P-OPTR は))
          (ADVP (ADJN ていねい)
                (AX に))
          (PP (NP (N 先生))
              (P-ROLE に))
          (PP-OB1 (NP (N 礼))
                  (P-ROLE を))
          (VB し)
          (AX まし)
          (AXD た)
          (PU 。))
  (ID 177_aozora_Miyazawa-1934;JP))