Subject	energy conserved
Predicate	has_property
Object	in a closed system
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8474
Neighborhood Sigma	0.9435
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source energy conserved is in a closed system 5 Google Autocomplete, Answers.com Questions