Subject	echolocation
Predicate	has_property
Object	important to the study of the ocean floor
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.4215
Neighborhood Sigma	0.6433
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source echolocation is important to the study of the ocean floor 1 Answers.com Questions