Subject	helicopter
Predicate	stay in
Object	air
Modality	Modality Occurrences still 4
Polarity	POSITIVE
Plausibility	0.9970
Neighborhood Sigma	0.9970
Local Sigma	0.9981
Example Sentences	Sentence Occurrences Source helicopters stay in the air 10 Google Autocomplete, Answers.com Questions helicopters stay still in the air 4 Google Autocomplete helicopter stay in air 1 Google Autocomplete