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(), cover.close_cover(), cover.open_cover(), cover.stop_cover(), cover.toggle(), 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(), timer.add_item(item), timer.cancel(), timer.cancel(), timer.pause(), timer.pause(), timer.start(duration), vacuum.pause(), vacuum.return_to_base(), vacuum.start(), vacuum.stop()
Devices:
media_player.sonos_kitchen 'Kitchen Sonos speaker' = off
lock.music_room 'Music Room Lock' = unlocked
light.hallway 'Hallway Lights' = off;44%
light.kitchen_bookshelf_warm 'Kitchen Bookshelf Warm Light' = on
light.front_library_ge 'Front Library Light' = off;midnightblue (10, 53, 91);72%
light.bathroom_1 'Bathroom Light' = off
light.upstairs_cinema_zwave 'Upstairs Cinema Light' = off;80%
media_player.nursery_lullaby 'Nursery Lullaby' = off
cover.motorcycle 'Motorcycle Garage' = closed
light.back_dining_warm 'Back Dining Warm Light' = on
cover.basement 'Basement Blinds' = open
light.living_room 'Living Room Light' = off;77%
media_player.dining_room_jukebox 'Dining Room Jukebox' = off
light.office_2 'Office Light' = on;90%
light.upstairs_utility_zigbee 'Upstairs Utility Light' = on
light.pool 'Pool Light' = on;44%
light.downstairs_mudroom_homekit 'Downstairs Mudroom Light' = off
cover.patio 'Patio Blinds' = open
media_player.garage_workshop_stereo 'Garage Workshop Stereo' = off
light.front_bedroom_homekit 'Front Bedroom Light' = on;magenta (251, 8, 246);85%
fan.porch 'Porch ceiling fan' = on
fan.balcony 'Balcony Fan' = off
todo.anniversary_planner 'Anniversary event planner' = 8
timer.baby_nap_timer 'Baby nap monitor' = active
vacuum.above_stairs_robot 'Above stairs dusting device' = docked
user
go back to the previous lullaby in the nursery.
assistant
going back to the previous track.
```homeassistant
{"service": "media_player.media_previous_track", "target_device": "media_player.nursery_lullaby"}
```