(IP (NP-SBJ (-NONE- *pro*))
(VP (IP-ADV (NP-SBJ (-NONE- *PRO*))
(VP (ADVP (CS 一旦))
(VP (VV 到)
(AS 了)
(LCP-OBJ (NP (NN 海))
(LC 里)))))
(PU ，)
(ADVP (AD 就))
(VP (VV 变得)
(VP (VA 灵活)
(VA 自如)))))
ARG0: *pro*
REL: 自如