Subject	apple snail
Predicate	has_property
Object	useful
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0006
Neighborhood Sigma	0.0008
Local Sigma	0.0006
Example Sentences	Sentence Occurrences Source apple snail is useful 2 Google Autocomplete a apple snail is useful 2 Google Autocomplete