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: Sam needed to do community service for his class. Sentence 2: He asked around the library for assistance. Sentence 3: They gave him a job to meet the service requirement. Sentence 4: Sam did his job for two weeks. Sentence 5: They gave him a letter showing he did the service.

community service