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: Jason wants to see a good movie. Sentence2: He reads the movie listings to see what is available. Sentence3: He chooses a superhero movie. Sentence4: Jason walks to the movie theater. Sentence5: Jason enjoys the movie that he picked out to see.
Jason