Subject	precipitation
Predicate	happen at
Object	fronts
Modality	Modality Occurrences often 7
Polarity	POSITIVE
Plausibility	0.8621
Neighborhood Sigma	0.8736
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source precipitation often happen at fronts 6 Google Autocomplete, Answers.com Questions the precipitation often happen at fronts 1 Google Autocomplete precipitation happens at fronts 2 Answers.com Questions