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: The Johnsons were a musical family. Sentence2: There were 14 children and their 2 parents in the family. Sentence3: Everyone was very talented but one stood out. Sentence4: She was the baby of the family but had the voice of an angel. Sentence5: Many years later she is an international superstar.
Output:
Johnsons, Family