(S (S (BASENP (PRP They)) (VP (VP (VBD released) (PRN (COMMA ,) (PP (IN in) (BASENP (NN 1996))) (COMMA ,))) (NP (BASENP (PRPD their) (JJ first) (NN album)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VP (VBD sold) (NP (QP (RB over) (BASENP (DT a) (NN million))) (NNS copies))) (ADVP (RB worldwide)))))))) (PERIOD .))