(S (S (S (NP (BASENP (NNS Children)) (SBAR (WHNP (WP who)) (S (VP (VP (VBP spend) (BASENP (JJR more) (NN time))) (S (VP (VBG playing) (PP (IN with) (BASENP (JJ other) (NNS children))))))))) (VP (VBP are) (ADJP (ADJP (RBR less) (JJ likely)) (S (VP (TO to) (VP (VP (VB end) (PRT (RP up))) (S (VP (VBG getting) (BASENP (NN childhood) (NNS cancers)))))))))) (COMMA ,) (S (NP (BASENP (DT a) (NNP UK) (NN study)) (VP (VP (VBN published) (BASENP (NN today))) (PP (IN in) (BASENP (DT the) (NNP British) (NNP Medical) (NNP Journal))))) (VP (VBZ has) (VP (VBN found))))) (PERIOD .))