Assertion: polar bear's den | /r/CapableOf | find a seal's air hole
Facets:
value: in the ice
type: LOCATION
Source sentences:
text: The polar bear's nose is so powerful it can smell a seal on the ice 20 miles (32 kilometers) away, sniff out a seal's den that has been covered with snow, and even find a seal's air hole in the ice up to 1 mile (1.6 kilometers) away.