Instructions: 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: I used to have a coin collection. Sentence 2: I collected many different coins from different places. Sentence 3: One day, I thought I lost it. Sentence 4: I cried to my mom, but she had a surprise. Sentence 5: She had taken it to put in a rare coin she found.
Output:
Coin collection