Subject	streak plate
Predicate	be used
Object	test
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0203
Neighborhood Sigma	0.0247
Local Sigma	0.5098
Example Sentences	Sentence Occurrences Source streak plates are used to test minerals 6 Google Autocomplete, Answers.com Questions streak plates are used to test minerals answers 1 Google Autocomplete