(S (S (PP (IN On) (BASENP (DT this) (NN trip))) (S (BASENP (PRP we)) (VP (VBD saw) (NP (BASENP (DT the) (NN people)) (SBAR (WHNP (WP who)) (S (VP (VP (VBD gave) (BASENP (PRP us))) (NP (BASENP (DT the) (NNP Pentium) (NN processor)) (CC and) (BASENP (NNP Instant) (NNP Messaging)))))))))) (PERIOD .))