Subject	unleaded petrol
Predicate	be better for
Object	environment
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8539
Neighborhood Sigma	0.9088
Local Sigma	0.8622
Example Sentences	Sentence Occurrences Source unleaded petrol is better for the environment 10 Google Autocomplete, Answers.com Questions