Bacon sandwich : dish_variation : BLT | BLT : ingredient : Lettuce | United Kingdom : leader_name : David Cameron | BLT : dish_variation : Club sandwich | Bacon sandwich : country : United Kingdom
David Cameron is leader of the United Kingdom, which is home to the bacon sandwich. The BLT, which contains lettuce, is a variation of the bacon sandwich and the BLT is a version of a club sandwich.