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 was eating in the dark. Sentence2: She was depressed. Sentence3: She ate cold chicken and went to bed. Sentence4: She left the bones and the crumbs on the table. Sentence5: The next day her grandma scolded her for leaving a mess.
Lucy, Grandma