Assertion: hammerhead shark | /r/HasProperty | a group of sharks
Facets:
Source sentences:
text: The hammerhead sharks are a group of sharks so named for the unusual and distinctive structure of their heads, which are flattened and laterally extended into a “hammer” shape.
text: The hammerhead sharks are a group of sharks that form the family Sphyrnidae, so named for the unusual and distinctive structure of their heads, which are flattened and laterally extended into a "hammer" shape called a cephalofoil.
text: The hammerhead shark is a group of sharks belonging to the family Sphyrnidae.