Subject	pollution
Predicate	take
Object	place
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9332
Neighborhood Sigma	0.9354
Local Sigma	0.9333
Example Sentences	Sentence Occurrences Source pollution takes place 2 Google Autocomplete a pollution take place 1 Google Autocomplete pollution take place 2 Answers.com Questions