#recreational_vehicle__RV  a motorized wheeled vehicle used for camping or other recreational activities
  supertype:  #wheeled_vehicle  a vehicle that moves on wheels and usually has a container for transporting things or people
  subtype:  #camping_bus__campingbu__camper__motor_home__motorhome  a recreational vehicle equipped for camping out while traveling
     subtype:  #caravan  (British) a camper equipped with living quarters
  subtype:  #dune_buggy__beach_buggy__beachbuggy  a recreational vehicle with large tires used on beaches or sand dunes

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