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), switch.toggle(), switch.turn_off(), switch.turn_on()
Devices:
fan.nursery 'Nursery Fan' = on
switch.rear_yard_lights 'Rear Yard Lights Switch' = off
light.kitchen_cupboard_cool 'Kitchen Cupboard Cool Light' = on;18%
light.study_1 'Study Lights' = off
user
lower the brightness of kitchen cupboard cool light to 50.
assistant
lowering the brightness of kitchen cupboard cool light to 50.
```homeassistant
{"service": "light.turn_on", "target_device": "light.kitchen_cupboard_cool", "brightness": 0.5}
```