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: Tom is great at his job. Sentence 2: He gets sick one week. Sentence 3: He is unable to do his work. Sentence 4: Mark fills in for Tom. Sentence 5: Tom is replaced by Mark.

Tom loses Job