Assertion: balloon | /r/CapableOf | use hot air
Facets:
value: to obtain buoyancy
type: PURPOSE
Source sentences:
text: The first clearly recorded instance of a balloon carrying human passengers used hot air to generate buoyancy and was built by the brothers Joseph-Michel and Jacques-Etienne Montgolfier in Annonay, France.
text: The first balloon which carried passengers used hot air to obtain buoyancy and was built by the brothers Josef and Etienne Montgolfier in Annonay, France in 1783: the first passenger flight was 19 September 1783, carrying a sheep, a duck, and a rooster.