He went into isolation for three months and after a lot of practice, he walked
confidently into a shop and said, "I am a very hungry. Give me some pepperoni
and zucchini." Immediately, the man behind the counter said "Are you polish?"
This guy was taken aback and he repeated his request.
The man behind the counter said, "Are you polish or not?" This man was finally
very ashamed and amazed at the shop owner's discerning ability and so he
admitted to the fact after which he asked, "But how did you know?" The
shopkeeper replied, "This is a hardware store!"