(IP (NP-SBJ (-NONE- *pro*))
(VP (VP (PP-TMP (P 到)
(QP (CD 六十)
(CLP (M 岁))))
(ADVP (AD 才))
(VP (VRD (VV 放)
(VV 出来))))
(PU ，)
(VP (ADVP (AD 已))
(VP (VV 白发苍苍)
(AS 了)))))
ARG0: *pro*
ARGM-ADV: 已
REL: 白发苍苍