(S (S (BASENP (NNS Estimates)) (VP (VP (VBD put) (NP (BASENP (DT the) (NN number)) (PP (IN of) (NP (BASENP (JJ Thai) (NNPS Buddhists)) (SBAR (WHNP (WP who)) (S (VP (VBP have) (VP (VBN fled) (BASENP (DT the) (NN area)))))))))) (PP (IN at) (BASENP (NN 34,000))))) (PERIOD .))