(S (S (NP (BASENP (NNP David) (NNP Cameron)) (COMMA ,) (NP (NP (BASENP (DT the) (NN leader)) (PP (IN of) (BASENP (DT the) (NNP Conservative) (NNP Party)))) (CC and) (NP (BASENP (NNP UK) (NN leader)) (PP (IN of) (BASENP (DT the) (NN opposition)))))) (VP (BASENP (NN today)) (VP (VP (VBD made) (BASENP (DT a) (NN speech))) (PP (TO to) (NP (BASENP (DT the) (NN conference)) (PP (IN of) (BASENP (DT the) (NNP Scottish) (NNP Conservative) (NNP Party)))))))) (PERIOD .))