Assertion: beaver | /r/CapableOf | swim 15 minutes
Facets:
Source sentences:
text: Beavers can swim 5 miles per hour and spend 15 minutes under water without returning back to the surface for the air.
text: Beavers can swim 8 kilometer per hour (5 miles per hour) and spend 15 minutes underwater without returning back to the surface for the air.