2 donkeys

  Once upon a time,  there are 2 donkeys,  trying to find food, and there were condition where their neck being bound with rope. But still they remain to countinue to get the food, although in state of pulling each other.
  That time,  they were confuse,  so they sat down and think of how to get the food.  Suddenly, they got idea and they went to get food in the same direction together.
  Finally they enjoy the food.