Q: In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Sentence1: Jane was at her brother's baseball game. Sentence2: She was sitting in the bleachers. Sentence3: Suddenly, a girl near her fell through the seats. Sentence4: She hit her head on the ground. Sentence5: Luckily, there was a doctor there to help her.
A:
Jane, Girl, Brother, Doctor