(S (S (NP (BASENP (NN Construction)) (PP (IN on) (NP (BASENP (NNS portions)) (PP (IN of) (BASENP (DT the) (NN pipeline)))))) (VP (VBD were) (VP (VBN halted) (PP (IN in) (NP (BASENP (NNP January)) (SBAR (WHADVP (WRB when)) (S (BASENP (DT the) (NNP White) (NNP House)) (VP (VP (VBD denied) (BASENP (NNS permits))) (SBAR (IN for) (S (BASENP (PRP it)) (VP (TO to) (VP (VB be) (VP (VBN finished)))))))))))))) (PERIOD .))