text1: On the Use of Generalized Additive Models in Time-Series Studies of Air Pollution and Health.
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text2: Pollution is very dangerous to our health. 
feat_hypothesis_binary_parse: ( Pollution ( ( is ( very ( dangerous ( to ( our health ) ) ) ) ) . ) )
feat_hypothesis_parse: (ROOT (S (NP (NNP Pollution)) (VP (VBZ is) (ADJP (RB very) (JJ dangerous) (PP (TO to) (NP (PRP$ our) (NN health))))) (. .)))