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.

[EX Q]: Sentence1: A woman was walking. Sentence2: She sat on a bench. Sentence3: There was a man next to her. Sentence4: She realized it was her ex husband. Sentence5: This must have been accidental.
[EX A]: Ex husband, A woman, A man

[EX Q]: 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.
[EX A]: Dad, The fish, Sam

[EX Q]: Sentence1: Hannah was upset. Sentence2: She decided to take a walk. Sentence3: She listened to music. Sentence4: Before she knew it, she walked for 3 hours. Sentence5: She took the bus back.
[EX A]:
Hannah