Subject	positive externality
Predicate	has_property
Object	vaccination
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0006
Neighborhood Sigma	0.0009
Local Sigma	0.0014
Example Sentences	Sentence Occurrences Source positive externalities are vaccination 1 Google Autocomplete a positive externality is vaccination 1 Google Autocomplete