Subject	pure oxygen
Predicate	be used
Object	in oxygen tents to speed up the recovery of patients in hospital
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.2831
Neighborhood Sigma	0.2849
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source pure oxygen is used in oxygen tents to speed up the recovery of patients in hospital 1 Answers.com Questions