Subject	school bus
Predicate	stop at
Object	railroad crossing
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9704
Neighborhood Sigma	0.9704
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source school buses stop at railroad crossings 10 Google Autocomplete, Answers.com Questions school buses stop at railroad crossing 4 Google Autocomplete school buses stop at all railroad crossings 6 Google Autocomplete, Reddit Questions school buses have to stop at railroad crossings 4 Google Autocomplete