Subject	petrified wood
Predicate	be different from
Object	casts
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0002
Neighborhood Sigma	0.0225
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source petrified wood is different from molds and casts 1 Answers.com Questions