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: My dog has had horrible breath lately. Sentence2: I don't know what to do except continue to brush it's teeth. Sentence3: My friends told me they make bones that give dog's fresh breath. Sentence4: I bought one today and so far it's working. Sentence5: I'll have to listen to my friend's advice more often.
Student:
I (myself), My dog, Friends