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: Consider Input: Sentence1: Edward was lonely and wanted a girlfriend so he started dating. Sentence2: He went on a date with a girl named Joy. Sentence3: Edward liked her but she didn't like him so he got angry at her. Sentence4: Joy told Edward he had an anger problem and needed help. Sentence5: Edward discovered his anger prevented him from finding love.

Output: Joy, Edward


Input: Consider Input: Sentence1: Randy hopped out of the moving truck. Sentence2: He helped his family unload the boxes into their new home. Sentence3: The rest of the day was spent unpacking and moving furniture. Sentence4: By night, Randy was exhausted. Sentence5: He couldn't wait to meet new friends tomorrow.

Output: Randy, Friends, Family


Input: Consider Input: Sentence1: Carla liked the new shop in town. Sentence2: It was a little shop that only sold tea. Sentence3: She went there to find unique gifts for her friends. Sentence4: When she gave them the gifts, they were all flattered. Sentence5: They felt like she had put a lot of thought into it.


Output: Carla, Friends


