Subject	rainwater
Predicate	become
Object	acidic
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8909
Neighborhood Sigma	0.9637
Local Sigma	0.8963
Example Sentences	Sentence Occurrences Source rainwater become acidic 6 Google Autocomplete, Answers.com Questions the rainwater become acidic 1 Google Autocomplete a rainwater become acidic 1 Google Autocomplete