Definition: 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: Sue set up a small little area for a balcony party. Sentence2: She put a table and chairs on the balcony and added food and drinks. Sentence3: Her friends came over, sat on the balcony, ate and drank, and chatted. Sentence4: They played music and laughed and had fun. Sentence5: The party ended, and her friends went home.
Output:
Sue, Friends