(IP (NP-SBJ (PN 它们))
(VP (VP (ADVP (AD 彷佛))
(VP (LB 被)
(CP-OBJ (WHNP-4 (-NONE- *OP*))
(IP (NP-SBJ (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-2))
(VP (VCD (VV 相依)
(VV 相持))
(QP-EXT (CD 千)
(CLP (M 年)))))
(DEC 的)))
(NP (NN 同伴)))
(VP (VV 离弃)
(NP-OBJ (-NONE- *T*-4)))))))
(PU ，)
(VP (DVP (VP (VA 孤独)))
(VP (VV 承受)
(NP-OBJ (NN 环境)
(NN 压力))))))
ARG0: *T*-2
ARGM-EXT: 千 年
REL: 相持