Assertion: dolphin | /r/HasProperty | whale
Facets:
Source sentences:
text: Note: The killer whale and false killer whale are both dolphins, not whales.
text: Among the dolphins that are called whales is the short-finned pilot whale.
text: The dolphin fish is not at all related to dolphins (which are actually whales, which many people do not know!!)
text: To be exact, dolphins are cetaceans, like whales and porpoises, and they have to surface periodically to breathe air.
text: All dolphins are whales, but not all whales are dolphins!”