Read the extract and answer the questions that follow.
And while she lay in her bed, crying still even though she felt rather hungry, she saw a little bird hop into her room. She took her thumb out of her mouth and sat up. Then the little bird began to sing and he sang a beautiful song all about the lake in the King’s garden and the willow trees that looked at themselves in the still water and the goldfish that glided in and out of the branches that were reflected in it. When he had finished, the Princess was not crying anymore and she quite forgot that she had had no supper. “That was a very nice song,” she said. The little bird gave her a bow, for artists have naturally good manners, and they like to be appreciated.
What pulled the princess out of her sadness?