(IP (NP-SBJ (-NONE- *pro*))
(VP (VP (VV 惊悉)
(IP-OBJ (NP-PN-SBJ (NR 理查德·尼克松)
(NN 先生))
(VP (ADVP (AD 不幸))
(VP (VV 病逝)))))
(PU ，)
(VP (ADVP (AD 谨))
(VP (VV 表示)
(NP-OBJ (CP (WHNP-1 (-NONE- *OP*))
(CP (IP (NP-SBJ (-NONE- *T*-1))
(VP (VA 深切)))
(DEC 的)))
(NP (NN 哀悼)))))))
ARG0: *T*-1
REL: 深切