(S (S (PP (IN On) (NP (BASENP (NNP January) (NN 8)) (COMMA ,) (BASENP (NN 2008)))) (S (PP (IN in) (BASENP (NNP Stephenville) (COMMA ,) (NNP Texas))) (COMMA ,) (S (NP (BASENP (NN one)) (PP (IN of) (NP (BASENP (DT the) (JJR larger) (NN UFO) (NNS sightings)) (PP (IN in) (BASENP (DT the) (NNP United) (NNPS States)))))) (VP (VBD occurred))))) (PERIOD .))