[graph1_on_meal_shop
     [any meal_shop (^$(no inheritance)$^),
          address: an address,
          may have for phone_No: a string,
          menu: a food_or_beverage,
          may have for cuisine_origin: a region,
          may have for facility: a facility (^$(explore 2)$^),
          may have for owner: a person_or_organization (^$(explore 1)$^)]
];