Subject	sedimentary rock
Predicate	be in
Object	layers
Modality	Modality Occurrences TBC[usually layers] 2
Polarity	POSITIVE
Plausibility	0.9338
Neighborhood Sigma	0.9362
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source sedimentary rocks are in layers 8 Google Autocomplete, Answers.com Questions sedimentary rocks are usually in layers 2 Google Autocomplete sedimentary rock is in layers 7 Google Autocomplete