Subject	vent
Predicate	has_property
Object	extreme environment
Modality	Modality Occurrences some[subj/hydrothermal] 2
Polarity	POSITIVE
Plausibility	0.0214
Neighborhood Sigma	0.0220
Local Sigma	0.0242
Example Sentences	Sentence Occurrences Source hydrothermal vents are extreme environments 1 Google Autocomplete hydrothermal vents are an extreme environment 1 Google Autocomplete