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: Ron is a young tree trimmer that works for my father. Sentence2: Last weekend he fell off the ladder. Sentence3: He broke his leg and his collar bone. Sentence4: Everyone brought him get well gifts. Sentence5: Ron doesn't climb up ladders anymore.
Output:
Everyone, My father, Ron