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: Caleb was driving home from work one day when a car hit him in back. Sentence2: He suffered multiple injuries and required surgery. Sentence3: The other driver's insurance company was being stubborn. Sentence4: They were reluctant to pay for all the medical bills. Sentence5: It took four years before Caleb received any money in the case.
Solution:
Insurance company, Driver, Caleb