Subject	sickle cell anemia
Predicate	be protective against
Object	malaria
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.3796
Neighborhood Sigma	0.3860
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source sickle cell anemia is protective against malaria 6 Google Autocomplete