Subject	vapor
Predicate	has_property
Object	important to the burning process
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.6653
Neighborhood Sigma	0.8747
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source vapors are important to the burning process 5 Google Autocomplete, Answers.com Questions vapor is important to the burning process 1 Google Autocomplete