Subject	bus driver
Predicate	wave
Object	at each other
Modality	Modality Occurrences always 2
Polarity	POSITIVE
Plausibility	0.9670
Neighborhood Sigma	0.9718
Local Sigma	0.9903
Example Sentences	Sentence Occurrences Source bus drivers wave at each other 5 Google Autocomplete bus drivers always wave at each other 2 Google Autocomplete, Answers.com Questions