(S (S (BASENP (DT The) (NN duo)) (VP (VBP join) (NP (BASENP (NN two) (NNS others)) (SBAR (WHNP (WP who)) (S (VP (VBD admitted) (NP (BASENP (JJR lesser) (NNS roles)) (PP (IN in) (BASENP (DT the) (NN scheme)))))))))) (PERIOD .))