Assertion: narwhal | /r/CapableOf | communicate with each other
Facets:
value: by using whistles
type: MANNER
Source sentences:
text: Narwhals are gregarious, they live in groups and communicate with each other by using whistles, squeaky hinge-like sounds and many other noises, which they produce by controlling the air passages near their blowholes.
text: Narwhals are gregarious; they live in groups and communicate to each other by using whistles, squeaky hinge-like sounds, and many other noises which they produce by controlling the air passages near their blowholes.
text: Communicating with each other, narwhals emit a number of clicking and gurgling sounds.
text: However, narwhals might also communicate with each other this way.