Subject	purity
Predicate	affect
Object	melting point
Modality	Modality Occurrences TBC[its billing point] 1
Polarity	POSITIVE
Plausibility	0.6434
Neighborhood Sigma	1.0000
Local Sigma	0.6759
Example Sentences	Sentence Occurrences Source purity affect melting point 4 Google Autocomplete purity and impurity of a substance affect its billing point and melting point 1 Answers.com Questions