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: Jon wanted to go to the park. Sentence2: He asked his mother if he could go. Sentence3: She said no. Sentence4: He decided to sneak out. Sentence5: He took the bus to go to the park.
A:
Jon, Mother