Subject	african elephant
Predicate	be considered
Object	keystone species
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0023
Neighborhood Sigma	0.0023
Local Sigma	0.0877
Example Sentences	Sentence Occurrences Source african elephant is considered a keystone species 2 Google Autocomplete the african elephant is considered a keystone species 1 Google Autocomplete