Subject	guard cell
Predicate	regulate
Object	opening of stomatal pore
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8986
Neighborhood Sigma	0.9125
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source guard cells regulate the opening and closing of stomatal pore 2 Google Autocomplete guard cells regulate opening and closing of stomatal pores 2 Google Autocomplete, Answers.com Questions the guard cells regulate opening and closing of stomatal pores 1 Google Autocomplete