Subject	human
Predicate	pollute
Object	environment
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9281
Neighborhood Sigma	0.9281
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source humans are polluting the environment 8 Google Autocomplete, Answers.com Questions humans pollute the environment 4 Answers.com Questions