(S (S (NP (BASENP (DT A) (JJ third) (NN vessel)) (PRN (COMMA ,) (BASENP (DT the) (NNP Sara) (NNP Jane)) (COMMA ,))) (VP (ADVP (RB also)) (VP (VP (VBD attended) (BASENP (DT the) (NN scene))) (S (VP (TO to) (VP (VB allow) (S (NP (BASENP (DT a) (JJ first) (NN aider)) (PP (IN on) (BASENP (NN board)))) (VP (TO to) (VP (VB render) (BASENP (NN assistance))))))))))) (PERIOD .))