Subject	cave
Predicate	has_property
Object	extreme environment
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.4519
Neighborhood Sigma	0.4567
Local Sigma	0.5098
Example Sentences	Sentence Occurrences Source caves are an extreme environment 2 Google Autocomplete a cave is an extreme environment 2 Google Autocomplete