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.
Input: Sentence1: Kay met Chad online. Sentence2: Kay and chad grew close. Sentence3: Kay decided to move across the country to live with Chad. Sentence4: Kay rented a Uhaul and drove across the country. Sentence5: Kay now happily lives with Chad.
Output:
Kay, Chad