Detailed Instructions: 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.
Q: Sentence1: Jenny had a problem with her diet. Sentence2: She would eat food and not realize it. Sentence3: She was eating more calories than she wanted to. Sentence4: She wrote down what she ate on notebook paper everyday. Sentence5: She got herself back on her diet.
A:
Jenny