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: Kim was a single mom with twin girls. Sentence2: She worked two jobs, cleaning and waitressing. Sentence3: One night a customer forgot his wallet at the dining table. Sentence4: Kim , honest, hurried to chase him down and return it. Sentence5: The man was so impressed at her honesty, he handed her a $150 tip!
Output:
Customer, Twin girls, Kim