Subject	alligator
Predicate	has_property
Object	keystone species
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.6192
Neighborhood Sigma	0.6192
Local Sigma	0.7054
Example Sentences	Sentence Occurrences Source alligators are keystone species 4 Google Autocomplete alligators are a keystone species 3 Google Autocomplete, Bing Autocomplete an alligator is a keystone species 2 Google Autocomplete