#room_light  light that provides general illumination for a room
  supertype:  light_source__lightsource__light  any device serving as a source of illumination; "he stopped the car and turned off the lights"
  part of:  room  an area within a building enclosed by walls and floor and ceiling; "the rooms were very small but they had a nice view"
     part of:  edifice__building  a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"

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