#cracker  a thin crisp wafer made or flour and water with or without leavening and shortening; unsweetened or semisweet
  supertype:  #bread__breadstuff__staff_of_life  food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
  subtype:  #saltine  a cracker sprinkled with salt before baking
  subtype:  #soda_cracker  unsweetened cracker leavened slightly with soda and cream of tartar
  subtype:  #oyster_cracker  a small dry usually round cracker
  subtype:  #water_biscuit__waterbiscuit  a thin flour-and-water biscuit usually made without shortening; often served with cheese
  subtype:  #graham_cracker  semisweet whole-wheat cracker
  subtype:  #pretzel  glazed and salted cracker typically in the shape of a loose knot
     subtype:  #soft_pretzel  a pretzel made of soft bread

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