(S (S (BASENP (NNS Scientists)) (VP (VP (VBP have) (VP (VP (VBN uncovered) (NP (BASENP (DT the) (JJS largest) (JJ Neolithic) (NN settlement)) (PP (IN in) (BASENP (DT the) (NNP United) (NNP Kingdom))))) (PP (IN at) (BASENP (DT the) (NNP Durrington) (NNPS Walls))))) (CC and) (VP (VBP believe) (SBAR (IN that) (S (BASENP (DT the) (NN village)) (VP (VBD was) (VP (VBN inhabited) (PP (IN by) (NP (BASENP (DT the) (NNS people)) (SBAR (WHNP (WP who)) (S (VP (VBD built) (BASENP (DT the) (NNP Stonehenge) (NN monument)))))))))))))) (PERIOD .))