(CP (WHPP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (NP (QP (CD 两))
(NP (NN 岸)))
(NP (NN 关系)))
(VP (PP-TMP (-NONE- *T*-1))
(VP (VV 开始)
(VP (VV 解冻)))))
(DEC 的)))
(NP (NN 时候)))
ARG1: 两 岸 关系
ARGM-TMP: *T*-1 -> 时候
REL: 解冻