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(), lock.lock(), lock.unlock(), switch.toggle(), switch.turn_off(), switch.turn_on()
Devices:
switch.porch_lights 'Porch Lights Switch' = off
lock.tool_shed 'Tool Shed Lock' = locked
fan.nursery 'Nursery Fan' = on
user
we don't need porch lights switch on anymore.
assistant
i'll switch off the device for you.
```homeassistant
{"service": "switch.turn_off", "target_device": "switch.porch_lights"}
```