Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
Input: Sentence 1: Michael was very shy. Sentence 2: He would only play by himself. Sentence 3: One day I asked him to play with me. Sentence 4: We have been friends ever since. Sentence 5: Michael is my best friend.

Best Friends