One day an old woman walked into a shop nd got some dog food,she went to pay for it nd the cashier said you can't buy that dog food we need evidence that you have a dog,so she bought in her dog nd she got the dog food. The next day the same old lady went to get some cat food nd the cashier said you can't have that food we need evidence you have a cat,so she went home nd got her cat nd she got the cat food.Next day the same old lady went in again nd she had a box,she told the cashier to put her finger in it,so she did.She said it felt warm nd soft,the little old lady then said now you 're satisfied can i have some toilet paper please!

Nice story