(S (S (S (NP (BASENP (DT The) (NNP Leader)) (PP (IN of) (NP (BASENP (DT the) (NNP Opposition)) (PP (IN in) (BASENP (DT the) (NNP United) (NNP Kingdom)))))) (VP (VP (VBD was) (ADVP (RB out))) (S (VP (VBG shopping) (PP (IN in) (BASENP (NNP West) (NNP London))))))) (SBAR (WHADVP (WRB when)) (S (BASENP (DT the) (NN incident)) (VP (VBD happened) (PP (IN at) (NP (BASENP (RB around) (NN 6:30)) (BASENP (JJ last) (NN night)))))))) (PERIOD .))