Assertion: humpback whale's fin | /r/CapableOf | reach 15 feet
Facets:
value: in length
type: OTHER
Source sentences:
text: The enormous pectoral fins of the humpback can reach 15 feet in length and are often used to “slap” the water.
text: The Humpback is known for its long pectoral fins which can reach 15 feet in length.