Assertion: surfer | /r/CapableOf | keep warm
Facets:
value: on the waves
type: LOCATION
value: in cool waters
type: LOCATION
Source sentences:
text: They are worn by surfers, divers, etc to keep warm in cool waters or when cool winds are blowing.
text: In an effort to create a more efficient wetsuit (key for surfers who need to stay warm and agile on the waves), MIT engineers looked to the fur of beavers and sea otters for inspiration.