(S (S (ADVP (RB However)) (COMMA ,) (S (BASENP (DT no) (NNS classes)) (VP (VBD were) (VP (VBG being) (VP (VBN held) (NP (BASENP (DT the) (NN morning)) (PP (IN of) (BASENP (DT the) (NN attack))))))))) (PERIOD .))