today i saw a friend play his online game,he had a exam in the game,there was a topic said that:a farmer has 17 sheep,the others all died because of fall ill except 9 sheep,how many sheep that the farmer has now?his answer let my laughter would never stop. please tell me the first answer when you saw this topic don't with any hesitate,and then you may ask the others,you will find the answers are not the same,very funny!