Subject	moist air
Predicate	be lighter than
Object	dry air
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0002
Neighborhood Sigma	0.2249
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source moist air is lighter or heavier than dry air 1 Answers.com Questions moist air is lighter than dry air 2 Answers.com Questions, Reddit Questions