(S (PP (IN In) (BASENP (PRPD his) (JJ opening) (NNS remarks))) (COMMA ,) (S (BASENP (NNP Bush)) (VP (VP (VBD welcomed) (BASENP (NNS parents) (CC and) (NNS grandparents))) (PP (TO to) (NP (DT a) (QT (DQL ``) (QTC (BASENP (JJ historic) (NN ballpark)) (PERIOD .)) (DQR '')))))))