(S (S (ADVP (RB Later)) (S (S (BASENP (PRP he)) (VP (VBD moved) (PP (TO to) (BASENP (NNP Havana))))) (SBAR (WHADVP (WRB where)) (S (BASENP (PRP he)) (VP (VBD continued) (BASENP (PRPD his) (JJ medical) (NN work))))))) (PERIOD .))