One day the duck came to the store, he asked the boss, "Is there a grape?"The boss replied "No".
The next day the duck came to the store and asked, "Is there a grape?"
The boss said "No".
The next day it came again and asked again, this time the boss said resentfully, "Yesterday is not today neither tomorrow nor tomorrow, you come again I nailed that eyebrow."
The next morning the duck came in and asked, "Is that nail?"
The boss said, "No," the duck asked. "So is there a grape?"
Boss … !
Source- (Farming- Raising cattle)