Subject	volcano
Predicate	become
Object	extinct
Modality	Modality Occurrences some[subj/some] 1
Polarity	POSITIVE
Plausibility	0.9968
Neighborhood Sigma	0.9968
Local Sigma	0.9975
Example Sentences	Sentence Occurrences Source volcanoes become extinct 12 Google Autocomplete, Answers.com Questions a volcano become extinct 8 Google Autocomplete volcano become extinct 2 Google Autocomplete some volcanoes become extinct 1 Google Autocomplete