Q: 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 finally had to admit his kitchen was a mess. Sentence2: The floor was dirty and there were food stains everywhere. Sentence3: Jason bought some cleaning supplies. Sentence4: Jason spent all afternoon cleaning the kitchen. Sentence5: Jason's kitchen looked much nicer after the cleaning.
A:
Jason