snow is a mean of wheels
over_snow_vehicle is land_vehicle. snowplow is motor_vehicle. over_snow_vehicle is military_vehicle. automobile_snow_tire is car_tire. over_snow_vehicle is over_snow_transportation_device. over_snow_vehicle is special_purpose_vehicle. snow is water. automobile_snow_tire is snow_tire. automobile_snow_tire is auto_tire_market_category. snow_tire is tire.