(S (S (NP (BASENP (DT A) (NN team)) (VP (VBG attempting) (S (VP (TO to) (VP (VB ventilate) (BASENP (DT the) (NN mine))))))) (VP (VBZ is) (VP (VBN expected) (S (VP (TO to) (VP (VP (VB complete) (BASENP (DT the) (NN work))) (PP (IN by) (BASENP (NNP Wednesday) (NN evening))))))))) (PERIOD .))