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), 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.cancel(), timer.pause(), timer.start(duration)
Devices:
light.backyard 'Backyard Light' = off;51%
media_player.home_theater 'Home Theater Media' = off
light.closet_under_stairs 'Under-stairs closet light' = on;95%
light.upstairs_sitting_zwave 'Upstairs Sitting Room Light' = on;53%
fan.kitchen_1 'Kitchen Fans' = off
lock.closet 'Closet Door Lock' = unlocked
fan.nursery 'Nursery Fan' = on
fan.study 'study fan' = off
timer.upstairs_hallway 'Upstairs hallway timer' = idle
user
turn on the upstairs hallway timer timer for thirty seconds.
assistant
starting timer upstairs hallway timer for thirty seconds.
```homeassistant
{"service": "timer.start", "target_device": "timer.upstairs_hallway", "duration": "00:00:30"}
```