(S (S (QT (DQL ``) (QTC (S (S (BASENP (DT The) (NN man)) (VP (PRN (SBAR (S (BASENP (PRP we)) (VP (VBP believe))))) (VP (VBD was) (PP (IN about) (S (VP (TO to) (VP (VP (VB enter) (BASENP (DT the) (NN water))) (PP (IN at) (NP (BASENP (DT the) (NN bottom)) (PP (IN of) (BASENP (DT the) (NN sea) (NN wall) (NNS steps)))))))))))) (SBAR (WHADVP (WRB when)) (S (BASENP (PRP he)) (VP (VBD was) (VP (VP (VP (VBN swept) (PRT (RP off))) (PP (IN without) (BASENP (DT any) (NN warning)))) (PP (IN by) (NP (BASENP (DT a) (JJ large) (NN wave)) (SBAR (WHNP (WDT which)) (S (VP (VBD was) (NP (BASENP (DT a) (NN result)) (PP (IN of) (BASENP (DT the) (NN overnight) (NN weather) (NNS conditions)))))))))))))) (COMMA ,)) (DQR '')) (S (BASENP (PRP they)) (VP (VBD said)))) (PERIOD .))