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.
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Question: Sentence1: My science class took a field trip to the bio park today. Sentence2: Only about half of the students were allowed to go on the trip. Sentence3: My best friend Mark got left behind because he failed a math test. Sentence4: That doesn't seem fair to me because he is really good at science. Sentence5: I don't understand why teachers punish students who really try hard.

Answer: Students, I (myself), Teachers, Mark

Question: Sentence1: Jane passed a small park-like zoo she remembered visiting as a child. Sentence2: She turned her car into the park, feeling nostalgic. Sentence3: Jane went to see the deer, like the ones she once fed by hand. Sentence4: She saw these deer were scrawny, mangy and had terrified eyes. Sentence5: Jane wished she had never stopped the car.

Answer: Jane, Deer

Question: Sentence1: The waitress served a cup of coffee to Janet Sentence2: She ended up having a small spasm on her arm. Sentence3: When her arm moved, it spilled coffee on Jeff. Sentence4: His face got burned from the hot coffee. Sentence5: Janet threw a cup of cold water on his face.

Answer:
Jeff, The waitress, Janet