Subject	desert
Predicate	has_property
Object	extreme environment
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.7209
Neighborhood Sigma	0.7209
Local Sigma	0.8133
Example Sentences	Sentence Occurrences Source deserts are extreme environments 4 Google Autocomplete desert is an extreme environment 3 Google Autocomplete a desert is an extreme environment 2 Google Autocomplete deserts are extreme environment 2 Answers.com Questions