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: Jason wants to learn to cook Mexican food. Sentence2: Jason thinks he can do this in Mexico. Sentence3: Jason flies to Mexico. Sentence4: Jason takes a class at a cooking school. Sentence5: Jason become a good cook of Mexican food.
A:
Jason, Cooking school