Subject	migraine
Predicate	keep
Object	coming back
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9677
Neighborhood Sigma	0.9733
Local Sigma	0.9695
Example Sentences	Sentence Occurrences Source migraines keep coming back 2 Google Autocomplete migraine keep coming back 2 Google Autocomplete