Subject	rainwater
Predicate	has_property
Object	naturally acidic
Modality	Modality Occurrences some[subj/unpolluted] 1 TBC[naturally slightly acidic] 1
Polarity	POSITIVE
Plausibility	0.7400
Neighborhood Sigma	0.8005
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source rainwater is naturally acidic 6 Google Autocomplete, Answers.com Questions unpolluted rainwater is naturally acidic 1 Google Autocomplete rainwater is naturally slightly acidic 1 Google Autocomplete