Subject	green roof
Predicate	help
Object	environment
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8315
Neighborhood Sigma	0.8533
Local Sigma	0.8327
Example Sentences	Sentence Occurrences Source green roofs help the environment 13 Google Autocomplete green roof help the environment 3 Google Autocomplete