Subject	narwhal
Predicate	protect
Object	themselves
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.9629
Neighborhood Sigma	0.9629
Local Sigma	0.9653
Example Sentences	Sentence Occurrences Source narwhals protect themselves 5 Google Autocomplete, Answers.com Questions a narwhals protect themselves 1 Google Autocomplete