Subject	most earthquake
Predicate	take place at
Object	tectonic plate boundaries
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9127
Neighborhood Sigma	0.9189
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source most earthquakes take place at tectonic plate boundaries 4 Google Autocomplete, Answers.com Questions