Subject	animal
Predicate	know
Object	when to migrate
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9782
Neighborhood Sigma	0.9782
Local Sigma	0.9922
Example Sentences	Sentence Occurrences Source animals know when to migrate 4 Google Autocomplete, Answers.com Questions animals know when and where to migrate 2 Answers.com Questions, Reddit Questions