Assertion: trampoline | /r/ObjectUse | used as a training tool
Facets:
value: for other sports
type: PURPOSE
Source sentences:
text: Developed in 1934, trampolines were originally used to train astronauts or were used as a training tool for other sports.
text: Developed in 1934, trampolines were originally used to train astronauts or were used as a training tool for other sports.