Assertion: trampoline | /r/HasProperty | canvas sheet
Facets:
Source sentences:
text: A trampoline is an elevated, essentially buoyant webbed bed or canvas sheet supported by springs or elastic shock cords.
text: A trampoline is a canvas sheet tied or fixed with elastic or spring with a frame of steel, metal or wood several feet above of the surface.
text: A trampoline is an elevated, essentially buoyant webbed bed or canvas sheet supported by springs or elastic shock cords.