( (CP (IP (ADVP (AD 就))
(NP-TPC-1 (DP (DT 这)
(CLP (M 段)))
(NP (NN 历史)))
(NP-SBJ (-NONE- *pro*))
(VP (ADVP-WH (AD 怎么))
(VP (VV 可以)
(VP (VV 让)
(NP-OBJ (NP (PN 他们))
(DP (DT 这些))
(NP (NN 人)))
(IP (NP-SBJ (-NONE- *PRO*))
(VP (DVP (VP (VA 轻易))
(DEV 的))
(VP (VV 抹杀)
(NP-OBJ (-NONE- *T*-1)))))))))
(SP 哪)
(PU ，)))
ARG0: *PRO*
ARGM-ADV: 轻易的
ARG1: *T*-1
REL: 抹杀