Subject	soil
Predicate	become
Object	acidic
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9940
Neighborhood Sigma	0.9941
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source soils become acidic 4 Google Autocomplete soil become acidic 6 Google Autocomplete, Answers.com Questions a soil become acidic 1 Google Autocomplete