(CP (WHNP-1 (-NONE- *OP*)) (IP (NP-SBJ (-NONE- *T*-1)) (VP (NP-PN-LOC (NR 子牙河)) (VP (VV 落水))))) (NP (NN 儿童)))))
ARG0: *T*-1 -> 儿童 ARGM-LOC: 子牙河 REL: 落水