Assertion: whale | /r/PartOf | the cetacean family
Facets:
Source sentences:
text: In order to simplify the 80 – 90 species of marine mammals all whales, dolphins and porpoises belong to the cetacean family and are separated into two primary groups based on their unique physical features.
text: Both dolphins and whales belong to the cetacean family and are marine animals that reside in the ocean.
text: In fact dolphins, porpoises and whales are all protected marine mammals and belong to the cetacean family.