Subject	metamorphic rock
Predicate	become
Object	igneous
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9573
Neighborhood Sigma	0.9573
Local Sigma	0.9887
Example Sentences	Sentence Occurrences Source metamorphic rocks become igneous 2 Google Autocomplete a metamorphic rock become igneous 3 Google Autocomplete, Answers.com Questions