Assertion: greenhouse | /r/HasProperty | constructed of glass
Facets:
value: always
type: TEMPORAL
Source sentences:
text: Greenhouses are always constructed of a transparent material such as glass or plastic.
text: All greenhouses have similar uses, whether they’re shaped like domes, A-frames or Quonset huts, constructed with plastic sheeting or glass and framed with plastic pipes, wood or metal but with this unique barn looking greenhouse you reap a harvest in style!