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 wife went to a party. Sentence2: They were selling cleaning supplies there. Sentence3: She liked it so much that she bought some. Sentence4: We tried it on the Windows and loved it. Sentence5: We then bought some more since we enjoyed it.

Answer: I (myself), Wife

Question: Sentence1: Sam went on his weekly fishing trip with his dad. Sentence2: Usually Sam only catches small fish, but this time it was different. Sentence3: The fish almost pulled him off balance, but he caught it. Sentence4: The fish was longer than he was tall, and it was his biggest catch. Sentence5: Sam and his dad got a picture with the fish and cherished the memory.

Answer: Dad, The fish, Sam

Question: Sentence1: The principal decided to take a trip to Ms.Diana's class. Sentence2: When he looked inside, the kids were playing video games. Sentence3: Ms.Diana was resting on her desk with her head down. Sentence4: The principal was furious and pulled her out of class. Sentence5: She received a short suspension.

Answer:
Diana, The kids, The principal