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: Mara had been learning karate for just a few months. Sentence2: She was now a yellow belt and the exam for orange belt was coming up. Sentence3: Mara was extremely nervous, especially about kicking the board apart. Sentence4: She practiced a lot, and on Exam Day she managed to do wonderfully. Sentence5: Mara wore her brand new orange belt with pride.
Mara