(S (S (S (BASENP (DT The) (NN site)) (VP (VBD was) (VP (VBN blocked)))) (SBAR (BASENP (DT the) (NN day)) (SBAR (IN before) (S (BASENP (DT the) (NN event)) (VP (VBD was) (VP (VBN scheduled) (S (VP (TO to) (VP (VB take) (BASENP (NN place))))))))))) (PERIOD .))