Assertion: cetacean's jaw | /r/CapableOf | measure up to 7 – 10 feet
Facets:
value: in length
type: OTHER
Source sentences:
text: The narwhal whale is unique animal among the whale species as it is the only cetacean that is known to have a long ivory tusk that extends from the upper left side of its jaw, which can measure up to 7 – 10 feet in length.