Subject	dog
Predicate	roll
Object	over
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9988
Neighborhood Sigma	0.9988
Local Sigma	0.9988
Example Sentences	Sentence Occurrences Source a dog rolls over on its back 1 Google Autocomplete dogs roll over 4 Answers.com Questions, Quora Questions