(S (S (NP (BASENP (JJ Black) (NN smoke)) (SBAR (WHNP (WDT that)) (S (VP (MD could) (VP (VB be) (VP (VBN seen) (PP (IN for) (BASENP (NNS miles))))))))) (VP (VBP billowed) (PP (IN from) (BASENP (DT the) (NN facility))))) (PERIOD .))