(IP (NP-SBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *pro*))
(VP (ADVP (AD 唯一))
(VP (VV 牵念不下)
(NP-OBJ (-NONE- *T*-1)))))
(DEC 的))))
(PU ，)
(VP (ADVP (AD 竟))
(VP (VC 是)
(NP-PRD (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-2))
(VP (VP (IP-ADV (NP-SBJ (NN 年))
(VP (VV 过)
(QP-OBJ (CD 三十))))
(ADVP (AD 仍))
(VP (VV 小姑独处)))
(PU 、)
(VP (ADVP (AD 只身))
(PP-LOC (P 在)
(NP-PN (NR 台北)))
(VP (VV 打拚)))))
(DEC 的)))
(NP (NN 二孙女))))))
ARG0: *pro*
ARG1: *T*-1
ARGM-ADV: 唯一
REL: 牵念不下