(IP (NP-SBJ (CP (WHNP-1 (-NONE- *OP*)) (CP (IP (NP-SBJ (-NONE- *T*-1)) (VP (VA 老迈))) (DEC 的))) (NP (NN 父母))) (VP (VV 需要) (NP-OBJ (NN 照护)))) arg0: *T*-1