(S (S (PP (IN As) (NP (BASENP (DT a) (NN result)) (PP (IN of) (NP (BASENP (NN construction)) (PP (IN of) (BASENP (DT the) (NNP Crossrail) (NN line))))))) (COMMA ,) (S (NP (BASENP (NNS hundreds)) (PP (IN of) (BASENP (NNS homes)))) (VP (MD will) (VP (VB have) (S (BASENP (JJ new) (NNS tunnels)) (VP (VBN excavated) (PP (IN beneath) (BASENP (PRP them))))))))) (PERIOD .))