(S (S (S (NP (BASENP (NN Goal) (NN difference)) (PRN (LRB -LRB-) (NP (BASENP (NNS goals)) (PP (IN for) (NP (BASENP (JJ minus) (NNS goals)) (ADVP (RB against))))) (RRB -RRB-))) (VP (VBZ is) (VP (ADVP (RB only)) (VP (VBN used) (S (VP (TO to) (VP (VB separate) (BASENP (NN two) (NNS teams))))))))) (SBAR (IN if) (S (BASENP (PRP they)) (VP (VBD drew) (PP (IN in) (NP (BASENP (PRPD their) (JJ head-to-head) (NN match)) (PP (IN in) (BASENP (DT the) (NN group) (NN stage))))))))) (PERIOD .))