(S (S (BASENP (DT The) (JJ northeast) (NN monsoon)) (VP (VBZ has) (VP (VBN intensified) (NP (BASENP (DT the) (NN flow)) (PP (IN of) (NP (BASENP (JJ rainfall-laden) (NN air)) (PP (IN from) (NP (BASENP (DT the) (NNP Gulf)) (PP (IN of) (BASENP (NNP Thailand))))))))))) (PERIOD .))