You will be given a definition of a task first, then some input of the task.
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: Jenna was out with friends on the last day of summer. Sentence2: They saw a talent competition in the park. Sentence3: They decided to enter. Sentence4: They put together a dance routine. Sentence5: They didn't win but it was a fun way to spend their last day.
Output:
Jenna, Jenna's friends