Given the task definition and input, reply with output. 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: A woman was a racial minority. Sentence2: She was forced to sit in the back of the bus. Sentence3: She decided that she didn't like that. Sentence4: She went to sit in the front of the bus. Sentence5: She changed history forever.
A woman