Given the task definition and input, reply with output. 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: Lucy had rolled her hair in rollers. Sentence2: When she took them out she didn't like the style. Sentence3: The style was too old fashioned. Sentence4: She tried to comb her hair straight but it wouldn't work. Sentence5: Lucy had to wear a hat to hide her ugly hair.
Lucy