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: cover.close_cover(), cover.open_cover(), cover.stop_cover(), cover.toggle(), 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), lock.lock(), lock.unlock(), 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(), timer.add_item(item), timer.cancel(), timer.cancel(), timer.pause(), timer.pause(), timer.start(duration)
Devices:
todo.family_event_planner 'Family event planner' = 21
cover.garage 'Garage Blinds' = opening
timer.dining_room_dimmer 'Dining room light timer' = active
media_player.master_bedroom 'Master Bedroom Media' = playing;Looop Lapeta;vol=0.15
lock.back_door 'Backyard entry lock' = unlocked
fan.bathroom 'Bathroom Fan' = on
media_player.bedside_alarm_clock_radio 'Bedside Alarm Clock Radio' = off
light.front_zen_ge 'Front Light' = off;indigo (91, 21, 82)
switch.garden_lights 'Garden lighting control' = off
light.back_lounge_warm 'Back Lounge Warm Light' = on;71%
lock.living_room 'Living Room Lock' = unlocked
cover.nursery 'Nursery Blinds' = closed
light.master_bedroom_2 'Master Bedroom Lights' = off;89%
timer.baby_nap_timer 'Baby nap monitor' = paused
lock.sauna 'Sauna Door Lock' = unlocked
light.upstairs_fireplace_zwave 'Upstairs Fireplace Light' = on;powderblue (172, 221, 237);61%
fan.garage_workshop 'Garage workshop fan' = off
light.garage_osram 'Garage Osram' = on;darkgray (155, 165, 206);82%
user
i'd like master bedroom lights at 40 percent brightness
assistant
setting master bedroom lights to 40% brightness.
```homeassistant
{"service": "light.turn_on", "target_device": "light.master_bedroom_2", "brightness": 0.4}
```