an example of using less water is turning off the faucet when brushing teeth
water_faucet is faucet. water_faucet is not tap. cold_air has less_water water_faucet is not faucet. spring_water is not water. water_faucet is tap. electric_toothbrush is not small_appliance. cold_air has not less_water fresh_water has not little_salt_in turning_off_water is not change_of_device_state.