Subject	air pollution
Predicate	affect
Object	environment
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9873
Neighborhood Sigma	1.0000
Local Sigma	0.9873
Example Sentences	Sentence Occurrences Source air pollution affect the environment 11 Google Autocomplete, Answers.com Questions air pollution from cars affect the environment 1 Google Autocomplete a air pollution affect the environment 1 Google Autocomplete air pollution is affecting the environment 2 Answers.com Questions