(S (S (S (NP (QP (ADVP (RBR More) (IN than)) (NN 300)) (NNS people)) (VP (VBD were) (VP (VBG watching)))) (SBAR (IN as) (S (BASENP (DT the) (NNS whales)) (VP (VP (VP (VBN set) (PRT (RP out))) (PP (TO to) (BASENP (NN sea)))) (PP (VBG following) (BASENP (DT a) (ADJP (NN 30) (NN hour)) (NN rescue) (NN effort))))))) (PERIOD .))