#sandwich  two (or more) slices of bread with a filling between them
  supertype:  snack_food__snackfood  food for light meals or for eating between meals
  subtype:  butty  ham_sandwich  chicken_sandwich  club_sandwich  open-face_sandwich  hamburger  tunaburger  red_hot  Sloppy_Joe  hero_sandwich  gyro  bacon-lettuce-tomato_sandwich  Reuben  western_sandwich
  part:  bread
  part of:  repast__meal  the food served and eaten at one time

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