(S (S (S (BASENP (NNP Mohammad) (NNP Ahmed)) (VP (VBD was) (BASENP (RB only) (NN six)))) (SBAR (WHADVP (WRB when)) (S (NP (BASENP (PRP he)) (CC and) (NP (PRPD his) (NP (NP (BASENP (NN mother)) (COMMA ,) (BASENP (NN brother))) (CC and) (BASENP (NN sister))))) (VP (VBD were) (VP (VP (VP (VBN abducted) (PP (IN from) (BASENP (NNP Karachi)))) (PP (IN in) (BASENP (NN 2003)))) (CC and) (VP (ADVP (RB later)) (VP (VP (VBN handed) (PRT (RP over))) (PP (TO to) (BASENP (NNP US) (NNS authorities)))))))))) (PERIOD .))