Assertion: jump | /r/CapableOf | use ram-air parachutes
Facets:
value: to slow their descent
type: PURPOSE
Source sentences:
text: In 1978, filmmaker Carl Boenish Jr. actually coined the term, when he and his wife Jean, along with Phil Smith, and Phil Mayfield, made the first jump off of El Capitan in Yosemite National Park using ram-air parachutes to slow their descent.