Prompt
Once upon a time there were two friends, Sally and Joe who liked to go to each other's house. One day, Joe wanted to visit Sally so he walked up to her house. He knocked on the door, but
Completion
no one answered. Joe was sad because he wanted to play with Sally.
Then, something unexpected happened. A big, friendly dog came up to Joe. The dog had a note on its collar. Joe read the note and it said, "I am a magic dog. I can make your wish come true. What do you want?" Joe thought for a moment and said, "I want Sally to come and play with me."
The magic dog wagged its tail and barked. Suddenly, Sally appeared from behind a tree. She was so happy to see Joe and the magic dog. They all played together and had lots of fun. From that day on, Sally, Joe, and the magic dog were the best of friends.