Detailed Instructions: 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.
Problem:Sentence1: Annie had been taking riding lessons for a few months. Sentence2: She was finally confident enough to trot without a lead line. Sentence3: Her instructor jogged along beside her to get her started. Sentence4: Then she unsnapped the line. Sentence5: Annie was trotting a horse all by herself!
Solution:
Horse, Instructor, Annie