Once upon a time, there was a farmer called Da Niu. One day he was walking in the forest and found a bird. The bird's was hurt and it cried. Da Niu picked it up and took it home. He looked after it carefully every day. The bird got well soon. One morning Da Niu enjoyed the sunshine next to the wall. The bird took his hat and flew away. Da Niu was very _ and ran after it. He shouted , "What a bad bird you are!" Suddenly he heard a big noise from his back. The wall he sat next to just now. fell down . What is the best title of the passage?
The bad bird The nice farmer The farmer and the bird The farmer's hat