Assertion: male narwhal | /r/CapableOf | dive up to 1,500 metres
Facets:
value: in the winter
type: TEMPORAL
value: occasionally
type: DEGREE
value: in depth
type: OTHER
Source sentences:
text: In the winter, the male narwhals occasionally dive up to 1,500 metres (4,900 feet) in depth," - You have already given this information earlier in the paragraph.