Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Alan needed to get an oil change. Sentence2: He went to the auto shop. Sentence3: Alan learned the price of an oil change and it was too high. Sentence4: Alan went home and learned how to change the car's oil himself. Sentence5: He saved a lot of money by doing that.
Student:
Alan