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: Elizabeth bought four fish from the pet store. Sentence2: One day Elizabeth noticed fry in the fish tank. Sentence3: She fed them special to help them grow. Sentence4: The fry grew, crowding the fish tank. Sentence5: Elizabeth had to give many of the fish away to new homes.
Output:
Elizabeth