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: Ben and his friend, Lars, were playing hide and seek. Sentence2: Ben could always find Lars quick and easy. Sentence3: One time Lars decided to hide where he thought Ben would never look. Sentence4: Lars hid in a garbage dumpster. Sentence5: He jumped out because he couldn't stand the bad smells.
Solution:
Lars, Ben