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(), 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(), switch.toggle(), switch.turn_off(), switch.turn_on(), timer.cancel(), timer.pause(), timer.start(duration), vacuum.pause(), vacuum.return_to_base(), vacuum.start(), vacuum.stop()
Devices:
switch.rear_yard_lights 'Rear Yard Lights Switch' = on
light.front_washroom_homekit 'Front Washroom Light' = on;olivedrab (142, 159, 25);74%
timer.laundry_machine_1 'Laundry cycle tracker' = idle
fan.bedroom_right 'Right-side bedroom fan' = on
cover.liftmaster_2 'LiftMaster' = opening
climate.thermostat_lux_geo 'Lux Geo Wi-Fi Thermostat' = heat_cool;Auto Low;19C;48%
lock.music_room 'Music Room Lock' = unlocked
vacuum.dining_area_bissel 'Dining area dirt remover' = returning
light.chandelier_front_hallway 'Front Hallway Chandelier' = off;38%
light.aquarium 'Aquarium Light' = off;darkviolet (141, 19, 217)
user
switch the system to heat_cool mode.
assistant
changing hvac to heat_cool mode.
```homeassistant
{"service": "climate.set_hvac_mode", "target_device": "climate.thermostat_lux_geo", "hvac_mode": "heat_cool"}
```