Subject	silica
Predicate	affect
Object	viscosity
Modality	Modality Occurrences TBC[viscosity of magma] 3
Polarity	POSITIVE
Plausibility	0.9393
Neighborhood Sigma	1.0000
Local Sigma	0.9517
Example Sentences	Sentence Occurrences Source silica affect viscosity 4 Google Autocomplete, Answers.com Questions silica affects the viscosity of magma 3 Google Autocomplete, Yahoo Questions the silica affect viscosity 1 Google Autocomplete