(S (S (BASENP (DT The) (NN blast)) (VP (VP (VBD tripped) (PRT (RP out))) (NP (BASENP (DT the) (NN power) (NN system)) (COMMA ,) (ADJP (JJ visible) (PP (IN in) (BASENP (DT the) (NN control) (NN room))))))) (PERIOD .))