Once upon a time, there was a boy named Tim. Tim had a mask. He liked his mask a lot. One day, he wanted to go to the park with his mask. He put on his mask and went outside.
At the park, Tim saw a big dog. The dog looked at Tim's mask and barked. Tim thought the dog was being stupid. He laughed and kept playing. The dog ran away.
Then, something unexpected happened. The dog came back with a mask on his face! Tim was so surprised. He and the dog played together all day, wearing their masks. They became best friends.
