Assertion: hot air balloon | /r/HasAspect | large hot-air release vents
Facets:
value: very
type: DEGREE
value: in the form of a parachute
type: MANNER
Source sentences:
text: To help in rapid atmospheric cooling, modern hot-air balloons also have very large hot-air release vents in the form of a parachute that can seal and unseal an opening in the top of the balloon.