Subject	index fossil
Predicate	has_property
Object	useful
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.8176
Neighborhood Sigma	0.9059
Local Sigma	0.8176
Example Sentences	Sentence Occurrences Source index fossils are useful 8 Google Autocomplete, Answers.com Questions index fossils is useful 2 Google Autocomplete the index fossils are useful 2 Google Autocomplete index fossils are useful when trying to date something 1 Google Autocomplete