( (IP (CP (IP (IP-ADV (ADVP (AD 但))
(NP-SBJ (NN 话))
(VP (ADVP (AD 又))
(VP (VRD (VV 说)
(VV 回来)))))
(PU ，)
(PP-TMP (P 在)
(LCP (IP (NP-SBJ (-NONE- *pro*))
(VP (VV 发生)
(NP-OBJ (NN 群访)
(NN 事件))))
(LC 时)))
(PU ，)
(NP-SBJ (NN 警察))
(VP (ADVP (AD 也))
(VP (VC 是)
(VP (ADVP (AD 不))
(VP (VV 愿意)
(VP (PP-ADV (P 与)
(NP (NP (NN 民众))))
(VP (VV 发生)
(NP-OBJ (NN 冲突)))))))))
(SP 的))
(PU ，)
(CP (IP (ADVP (AD 往往))
(NP-SBJ (NN 警察))
(VP (VC 是)
(VP (VP (VV 奉命))
(VP (VP (MSP 去)
(VP (VV 压制)
(NP-OBJ (NN 群众))))
(PU ，)
(VP (VV 帮助)
(NP-OBJ (NN 官员))
(IP (NP-SBJ (-NONE- *PRO*))
(VP (VV 解围))))))))
(SP 的))
(PU 。)))
ARG0: *PRO*
REL: 解围