Subject	curtain
Predicate	has_property
Object	when closed
Modality	Modality Occurrences some[subj/a room become much warmer when] 1
Polarity	POSITIVE
Plausibility	0.0035
Neighborhood Sigma	0.0036
Local Sigma	0.2105
Example Sentences	Sentence Occurrences Source a room become much warmer when the curtains are closed 1 Answers.com Questions