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: Connor was trying to decide what to do for his birthday. Sentence2: He had given up, because his day fell on a Monday. Sentence3: He decided to go downstairs and watch TV. Sentence4: Soon as he got to his couch he heard "Surprise!" Sentence5: He was so happy that his family and friends surprised him.
Output:
Connor family, Connor friends, Connor