Subject	scientist
Predicate	investigate
Object	natural world
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8727
Neighborhood Sigma	0.8727
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source scientists investigate the natural world 6 Google Autocomplete, Answers.com Questions scientist investigates the natural world 1 Answers.com Questions