Assertion: curtain | /r/CapableOf | stop light
Facets:
value: from escaping outside the building
type: TRANSITIVE-OBJECT
Source sentences:
text: Curtains are often hung on the inside of a building's windows to block the passage of light, for instance at night to aid sleeping, or to stop light from escaping outside the building (stopping people outside from being able to see inside, often for privacy reasons).