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: Sarah was walking her dog around the neighborhood. Sentence2: The dog found a small chicken bone under a bush. Sentence3: Sarah rushed to pull the bone out of the dog's mouth. Sentence4: The dog ate the bone before Sarah could grab it. Sentence5: Sarah realized she needed to train her dog to drop items on command.
Student:
Sarah, Neighborhood, Dog