(NP-SBJ (-NONE- *pro*)) (VP (VV 预备) (IP-OBJ (NP-SBJ (-NONE- *PRO*)) (VP (VV 打捞) (NP-OBJ (DNP (NP (LCP (NP (NN 潜艇)) (LC 上)) (CP (WHNP-2 (-NONE- *OP*)) (IP (NP-SBJ (-NONE- *T*-2)) (VP (VV 罹难)))) (NP (NN 船员))) (DEG 的)) (NP (NN 尸体)))))
ARG0: *pro*
ARG1: 打捞 潜艇 上 罹难 船员 的 尸体
REL: 预备