Definition: 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.
Input: Sentence1: Today I bought a new car. Sentence2: The car was is very nice and I am proud of the car. Sentence3: I worked very hard to earn the money for the new car. Sentence4: I have been very careful when driving my car. Sentence5: I hope my car lasts me a long time because it was very expensive.
Output:
I (myself)