Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Sam went to the casino and bet all his money on black. Sentence2: The ball landed in red and Sam lost all his money. Sentence3: Sam was glad that he lost it all at once. Sentence4: He spent the rest of his time walking around the casino. Sentence5: He told himself that he at least got exercise out of this bad luck.
Student:
Sam