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: A tow truck was called to a lake. Sentence2: The tow truck drive, Jim, got there and looked for the car. Sentence3: He was approached by another man, Ed. Sentence4: Ed told him that the car was in the bottom of the lake. Sentence5: Jim told him that he could not help him.
Output:
Ed, Jim