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: Copper was my first cat. Sentence 2: He was a persian with long hair and large copper colored spots. Sentence 3: He disappeared only a month after I got him, and I looked for days. Sentence 4: I was very sad that Copper was lost, until he showed up months later. Sentence 5: I never let him go back outside after that day.

Copper