Subject	concave mirror
Predicate	be used in
Object	headlights of cars
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.7154
Neighborhood Sigma	0.7181
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source concave mirrors are used in headlights of cars 4 Google Autocomplete, Answers.com Questions