(S (S (S (PP (IN In) (BASENP (NN 1946))) (S (BASENP (PRP he)) (VP (VP (VBD moved) (PP (TO to) (BASENP (DT the) (NNP UK)))) (PP (IN with) (BASENP (PRPD his) (NN sister) (CC and) (NN mother)))))) (SBAR (WHADVP (WRB where)) (S (BASENP (PRP he)) (VP (VBD began) (S (VP (TO to) (VP (VB write)))))))) (PERIOD .))