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: Gina thought she knew who stole her pencils. Sentence2: She was alone in the class. Sentence3: So she decided to check his coat. Sentence4: She looked on the coat rack and found the one he wore. Sentence5: After searching she still hadn't found her pencils.
Gina