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: Hannah attended a very challenging and prestigious school. Sentence 2: She was always very nervous about examinations. Sentence 3: She was to take her end of year exams soon. Sentence 4: She had a nervous breakdown. Sentence 5: She was sent to the school infirmary.

Nervous breakdown.