(S (S (BASENP (NNP Giancarlo)) (VP (VP (VP (VBD made) (BASENP (DT a) (JJ crucial) (NN mistake))) (ADVP (RB prior) (PP (TO to) (NP (BASENP (NNP Senna) (POS 's)) (BASENP (QT (DQL ``) (NN S) (DQR '')) (SYM -) (NN curve)))))) (S (VP (VBG allowing) (S (BASENP (NNP Michael)) (VP (TO to) (VP (VB pass) (BASENP (PRP him))))))))) (PERIOD .))