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: Jen finished her lunch and started to move to her next class. Sentence2: A container of leftover rice flew into the sky. Sentence3: It came into contact with her face. Sentence4: Since the rice contained tomato sauce, her shirt was dirty. Sentence5: Jen took several minutes to clean herself.
A:
Jen