Assertion: horse's relative | /r/HasProperty | cetacean
Facets:
Source sentences:
text: Despite their physical resemblance to pigs and other terrestrial even-toed ungulates, the closest living relatives of the Hippopotamidae are cetaceans (whales, dolphins, porpoises, etc.) from which they diverged about 55 million years ago.
text: closest relatives in the animal kingdom are the Cetaceans –