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: The family decided to go on vacation. Sentence2: They went to Branson. Sentence3: They visited the amusement park and the aquarium. Sentence4: The trip was a blast. Sentence5: The family was sad when they had to leave.

The family