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: Anthony had caught a fish on his fishing trip. Sentence2: He cleaned the fish and prepared it to cook. Sentence3: Anthony decided to fry the fish. Sentence4: He hadn't cleaned the fish well enough. Sentence5: Anthony had to pick out bones when he was eating.
Output:
Anthony, Fish