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: Sam had a big exam for an important college course. Sentence2: He studied hard and went to every class. Sentence3: On the day of the exam he noticed the room was empty. Sentence4: The time and location had been changed. Sentence5: He never bothered to check his email and didn't know.
Sam

Sentence1: My wife hates her job. Sentence2: She is a teacher to sixth graders and she always gets headaches. Sentence3: She complains that they are way to loud and don't listen. Sentence4: She asked the principal if she could teach at the high school level. Sentence5: The principal allowed her to switch to the junior year, she's happy.
I (myself), School, Principal, Sixth graders, Wife

Sentence1: Jamie was a good car salesman. Sentence2: He often would sell cars to people that they didn't really need. Sentence3: Because of this, Jamie was having a conflict in his mind. Sentence4: He enjoyed the money from the cars, but felt bad for the people. Sentence5: Jamie soon began to sell less cars but provide better service.
Jamie, People