(S (S (BASENP (PRP He)) (VP (VBD believed) (SBAR (SBAR (IN that) (S (BASENP (NN regime) (NN change)) (VP (VBD was) (NP (BASENP (DT the) (NN reason)) (PP (IN for) (NP (BASENP (DT the) (JJ British) (NN interest)) (PP (IN in) (BASENP (DT the) (NN nation))))))))) (CONJP (COMMA ,) (CC and)) (SBAR (IN that) (S (BASENP (PRP it)) (VP (VP (VBD was) (RB not)) (NP (BASENP (DT a) (JJ valid) (NN reason)) (PP (IN for) (BASENP (NN war)))))))))) (PERIOD .))