Objective: Make a deli submarine sandwich.

Which of the following solutions is more sound in terms of naive physics reasoning?

Available options:
+ Cut a baguette in half lengthwise and on one half, put a layer of deli meat, then a layer of tomato, and finally a layer of lettuce. Top with mustard or Itallian dressing and cover with the other half.
+ Cut a baguette in half widthwise and on one half, put a layer of deli meat, then a layer of tomato, and finally a layer of lettuce. Top with mayonaisse or Russian dressing and cover with the other half.
Cut a baguette in half lengthwise and on one half, put a layer of deli meat, then a layer of tomato, and finally a layer of lettuce. Top with mustard or Itallian dressing and cover with the other half.