Given the task definition and input, reply with output. 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.

Sentence1: Betty like to make popcorn. Sentence2: Usually for movie night with the family on Fridays. Sentence3: One day she made a bunch for the family. Sentence4: She was bringing it back to the tv room to eat. Sentence5: But she tripped and spilled the popcorn everywhere.
Betty, Family