Subject	chemistry
Predicate	be known as
Object	central science
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8167
Neighborhood Sigma	0.8306
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source chemistry is known as the central science 1 Google Autocomplete chemistry is known as central science 2 Answers.com Questions