Prem Singh was relaxing in his front yard when his
neighbor,Amir Singh came out of the house and went
straight to the mail-box.He opened it, then slammed
it shut, and stormed back in the house. A little
later he came out of his house and again went to the
mail-box and again opened it, then slammed it shut
again. Angrily, back into the house he went.

As Prem Singh was getting ready to go back inside,
Amir came out again, marched to the mail-box, opened
it and then slammed it closed harder than ever.
Puzzled by his actions Prem asked,