Assertion: sperm whale | /r/HasProperty | champion divers
Facets:
Source sentences:
text: Sperm whales are champion divers, often diving more than 1 mile (1.6 kilometers) deep for more than one hour!
text: Sperm whales are champion divers and are thought to dive to depths greater than 3,000 feet (1,000 m) and stay under water for up to two hours!