Subject	alveolus
Predicate	provide
Object	large surface area
Modality	Modality Occurrences TBC[large moist surface area] 1
Polarity	POSITIVE
Plausibility	0.2286
Neighborhood Sigma	1.0000
Local Sigma	0.3339
Example Sentences	Sentence Occurrences Source alveoli provide a large surface area 2 Google Autocomplete, Answers.com Questions alveoli need to provide a large moist surface area 1 Answers.com Questions