Subject	vaccine
Predicate	promote
Object	immunity
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9950
Neighborhood Sigma	0.9951
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source vaccines promote immunity 2 Google Autocomplete vaccine promote immunity 2 Google Autocomplete a vaccine promote immunity 3 Google Autocomplete, Yahoo Questions a vaccine promotes an immunity 1 Answers.com Questions a vaccine promotes immunity 1 Answers.com Questions