Assertion: whale's tusk | /r/HasProperty | sensory organ
Facets:
value: according to recent researches
type: OTHER
Source sentences:
text: The tusk is also considered to be a sensory organ that contains millions of nerves.
text: According to recent researches, narwhal’s tusk is a sensing organ which they use to detect the change in the temperature, pressure of the water and to guess about the coming danger.