( (IP (CP-ADV (ADVP (CS 尽管)) (IP (NP-SBJ (-NONE- *pro*)) (VP (VP (VV 缺乏) (NP-OBJ (DNP (ADJP (JJ 足够)) (DEG 的)) (NP (NN 证据)))) (VP (VV 表明) (IP-OBJ (NP-SBJ (-NONE- *pro*)) (VP (VC 是) (IP-PRD (NP-SBJ (PN 谁)) (VP (PP (P 对) (NP (CP (WHNP-2 (-NONE- *OP*)) (CP (IP (NP-SBJ (-NONE- *T*-2)) (VP (ADVP (AD 仍)) (PP-LOC (P 在) (NP (NP-PN (NR 伦敦)) (NP (NN 医院)))) (VP (VV 接受) (NP-OBJ (NN 抢救))))) (DEC 的))) (NP-APP (ADJP (JJ 前)) (NP-PN (NR 俄国)) (NP (NN 间谍))) (NP-PN (NR 亚历山大·利特维年科)))) (VP (VV 投毒)))))))))) (PU ,) (ADVP (AD 但)) (IP-SBJ (NP-SBJ (PN 大家)) (VP (ADVP (AD 随即)) (PP-DIR (P 对) (NP (NP (NP-PN (NR 俄罗斯)) (NP (NN 政府))) (CC 和) (NP-PN (NR 普京) (NN 总统)))) (VP (VV 怀疑)))) (VP (ADVP (AD 也)) (ADVP (AD 不)) (VP (VV 值得) (IP-OBJ (NP-SBJ (-NONE- *PRO*)) (VP (VV 奇怪))))) (PU 。)))
ARG0: 谁
ARGM-DIR: 对仍在伦敦医院接受抢救的前俄国间谍亚历山大·利特维年科
REL: 投毒