Customer: If I post this letter tonight, will it get to Karachi in two days time?
Post Master : Yes sir, it definitely will.
Customer : I bet you, it won''t.
Post Master : Why not?
Customer : It''s addressed to Sialkot.
Peter : What a pair of strange socks you are wearing, one is green andone is blue with red spots!Kirk : Yes it''s really strange. I''ve got another pair of the same at home.