(IP (NP-SBJ (DP (DT 该))
(NP (NN 信件)))
(VP (VC 是)
(NP-PRD (CP (WHNP-2 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *pro*))
(VP (PP-LOC (P 在)
(NP (NP (DP (DT 该))
(NP (NN 囚犯)))
(NP (NN 面前))))
(VP (VP (VV 开启)
(NP-OBJ (-NONE- *RNR*-3)))
(CC 和)
(VP (VV 搜查)
(NP-OBJ-3 (-NONE- *T*-2))))))
(DEC 的))))))
ARG0: *pro*
ARG1: *T*-2
ARGM-LOC: 在 该 囚犯 面前
REL: 搜查
(PP-TMP (P 在)
(LCP (IP (NP-SBJ (DP (DT 该))
(NP (NN 信件)))
(VP (VP (VV 开启))
(CC 和)
(VP (VV 搜查))))
(LC 时)))
ARG1: 该 信件
REL: 搜查