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(), light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), 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.back_stairwell_warm 'Back Stairwell Warm Light' = on;chartreuse (156, 241, 8)
light.bathroom_2 'Bathroom Light' = off
media_player.kitchen 'Kitchen Media Player' = playing;Date Night;vol=0.61
media_player.hallway_wall_speaker 'Hallway Wall Speaker' = standby;vol=0.95
light.office_1 'Office Light' = off
light.dining_room 'Dining Room Light' = on;silver (212, 169, 179)
light.downstairs_den_homekit 'Downstairs Den Light' = on;saddlebrown (152, 48, 12);89%
fan.bedroom 'Bedroom Fan' = on
climate.nest_learning 'Nest Learning Thermostat' = heat_cool;On High;63F;73%
media_player.roku_ultra 'Roku High-Performance Streamer' = idle;vol=0.91
timer.workout_timer 'Exercise session timer' = active
user
switch the system to heat mode.
assistant
setting the hvac to heat.
```homeassistant
{"service": "climate.set_hvac_mode", "target_device": "climate.nest_learning", "hvac_mode": "heat"}
```