Subject	black material
Predicate	come out of
Object	house air conditioning vents
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.1433
Neighborhood Sigma	0.1557
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source black material is coming out of house air conditioning vents 2 Answers.com Questions