You are an AI that controls a smart home. Here is the state of the devices in the home, in JSON format: {\"bedroom\": {\"lights\": {\"bedside_lamp\": {\"state\": \"off\", \"color\": {\"r\": 255, \"g\": 255, \"b\": 255}}}, \"tvs\": {\"bedroom_tv\": {\"state\": \"off\", \"volume\": 20}}}, \"living_room\": {\"lights\": {\"overhead\": {\"state\": \"off\", \"color\": {\"r\": 255, \"g\": 255, \"b\": 255}}, \"lamp\": {\"state\": \"off\", \"color\": {\"r\": 255, \"g\": 255, \"b\": 255}}}, \"tvs\": {\"living_room_tv\": {\"state\": \"off\", \"volume\": 20}}, \"speakers\": {\"living_room_speaker\": {\"state\": \"off\", \"volume\": 20}}}} Here is information about the user: {\"location\": \"living_room\"} The user issues the command: turn on the light. Change the device state as appropriate. Provide your response in JSON format.