(S (S (NP (EX There)) (VP (VBP have) (VP (VP (VP (VP (VBN been) (NP (BASENP (JJ several) (JJ independent) (NNS sightings)) (PP (IN of) (BASENP (DT the) (NN bird))))) (PP (IN in) (BASENP (NNP Arkansas)))) (PP (IN over) (BASENP (DT the) (JJ last) (NN year)))) (CONJP (COMMA ,) (CC and)) (VP (BASENP (RB even) (DT a) (NN videotape)))))) (PERIOD .))