Subject	guard cell
Predicate	regulate
Object	closing of stomatal pores
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9447
Neighborhood Sigma	0.9593
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source guard cells regulate opening and closing of stomatal pores 2 Google Autocomplete, Answers.com Questions