Prompt
Once upon a time, there lived a black cat. The cat belonged to a little girl called Katie. Every day, Katie would take her cat for a walk in the park.
One day, as Katie and her cat were walking around, they saw a mean looking man. He said he wanted to take the cat, to which she replied "This cat belongs
Completion
to me!" The mean man tried to grab the cat, but Katie held on tight.
Then, something unexpected happened. A big dog came running into the park. The dog saw the mean man and started to bark loudly. The mean man got scared and ran away. Katie and her cat were safe, and they thanked the big dog for helping them. From that day on, Katie, her black cat, and the big dog became best friends.