(ADJP (JJ 主要)) (CP (WHNP-1 (-NONE- *OP*)) (CP (IP (NP-SBJ (-NONE- *T*-1)) (VP (VV 受疮))) (DEC 的))) (NP (NN 部位)))
ARG0: *T*-1 -> 部位 REL: 受疮