(S (S (BASENP (PRP It)) (VP (VBD was) (VP (VBN expected) (SBAR (IN that) (S (BASENP (NNP Zidane)) (VP (MD would) (VP (VB reveal) (SBAR (WHNP (WP what)) (S (VP (VP (VBD provoked) (BASENP (PRP him))) (PP (IN into) (BASENP (DT the) (NN headbutt))))))))))))) (PERIOD .))