Assertion: narwhal | /r/CapableOf | pump tail
Facets:
value: as fast as they can
type: MANNER
Source sentences:
text: Even as the narwhals pump their fins and tails as fast as they can to escape, their heart rates plummet to just three to four beats per minute, scientists report Thursday in the journal Science.
text: Even as the narwhals pump their fins and tails as fast as they can to escape, their heart rates plummet to just three to four beats per minute, scientists report Thursday in the journal Science.