Subject	natural gas
Predicate	be extracted from
Object	earth
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9229
Neighborhood Sigma	0.9231
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source natural gas is extracted from earth 2 Google Autocomplete natural gas is extracted from the earth 2 Answers.com Questions natural gases are extracted from the earth 6 Reddit Questions