(IP (NP-SBJ (NN 雇主) (CC 与) (NN 雇员)) (VP (ADVP (AD 亦)) (VP (VV 应) (VP (ADVP (AD 预先)) (VP (VV 订立) (NP-OBJ (NN 协议)))))))
ARG0: 雇主 与 雇员 ARG1: 协议 ARGM-ADV: 亦 ARGM-ADV: 预先 REL: 订立