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: Beth wanted to protect herself. Sentence 2: She regularly felt vulnerable. Sentence 3: She enrolled in a martial arts class. Sentence 4: She learned self defense. Sentence 5: She felt much less vulnerable after attaining her black belt.

Self Defense