Subject	sickle cell anemia
Predicate	be prevalent in
Object	africa
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8839
Neighborhood Sigma	0.8988
Local Sigma	0.9477
Example Sentences	Sentence Occurrences Source sickle cell anemia is prevalent in africa 10 Google Autocomplete sickle cell anemia is so prevalent in africa 3 Google Autocomplete