Subject	sickle cell anemia
Predicate	be common in
Object	africa
Modality	Modality Occurrences TBC[tropical africa] 1
Polarity	POSITIVE
Plausibility	0.8564
Neighborhood Sigma	0.8708
Local Sigma	0.8707
Example Sentences	Sentence Occurrences Source sickle cell anemia is common in africa 13 Google Autocomplete sickle cell anemia is so common in africa 3 Google Autocomplete sickle cell anemia is common in tropical africa 1 Google Autocomplete