Assertion: dolphin | /r/PartOf | the cetacean family
Facets:
Source sentences:
text: Both dolphins and whales belong to the cetacean family and are marine animals that reside in the ocean.
text: Dolphins belong to the cetacean family which also includes all species of porpoise and whale and is comprised of over 80 different marine mammals.
text: Dolphins belong to the cetacean family, which is composed of around 80 – 90 different species of marine mammals.