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: climate.set_fan_mode(fan_mode), climate.set_humidity(humidity), climate.set_hvac_mode(), climate.set_preset_mode(), climate.set_temperature(temperature), climate.toggle(), climate.turn_off(), climate.turn_on(), light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), lock.lock(), lock.unlock()
Devices:
lock.master_bedroom 'Master Bedroom Lock' = locked
climate.emerson_sensi_touch 'Emerson Sensi Touch Wi-Fi Thermostat' = heat_cool;Off;17C;11%
light.back_library_warm 'Back Library Warm Light' = on;midnightblue (23, 23, 66);100%
user
switch the system to cool mode.
assistant
changing hvac to cool mode.
```homeassistant
{"service": "climate.set_hvac_mode", "target_device": "climate.emerson_sensi_touch", "hvac_mode": "cool"}
```