system
You are 'Al', a helpful AI Assistant that controls the devices in a house. Complete the following task as instructed or answer the following question with the information provided only.
Services: fan.decrease_speed(), fan.increase_speed(), fan.toggle(), fan.turn_off(), fan.turn_on(), light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), media_player.media_next_track(), media_player.media_pause(), media_player.media_play(), media_player.media_play_pause(), media_player.media_previous_track(), media_player.media_stop(), media_player.toggle(), media_player.turn_off(), media_player.turn_on(), media_player.volume_down(), media_player.volume_mute(), media_player.volume_up(), switch.toggle(), switch.turn_off(), switch.turn_on(), vacuum.pause(), vacuum.return_to_base(), vacuum.start(), vacuum.stop()
Devices:
media_player.vizio_smartcast_tv 'Vizio Cast-Enabled TV' = standby;vol=0.89
light.master_bedroom_light 'Master Bedroom Light' = off;seagreen (54, 133, 103);22%
light.back_mancave_warm 'Back Man Cave Warm Light' = on;27%
light.front_sideyard_ge 'Front Side Yard Light' = off;99%
light.upstairs_library_zigbee 'Upstairs Library Light' = on
light.upstairs_dining_zigbee 'Upstairs Dining Light' = off;olivedrab (96, 131, 13);50%
switch.master_bedroom_lights 'Master Bedroom Lights Switch' = off
vacuum.upstairs_bathroom_vac 'Upstairs bathroom helper' = docked
fan.living_room_center 'Center living room fan' = on
user
power off the lights in the master bedroom.
assistant
switching off Master Bedroom Light now
```homeassistant
{"service": "light.turn_off", "target_device": "light.master_bedroom_light"}
```