Detailed Instructions: 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.
Q: Sentence1: Amy had removed her chipped nail polish from her nails. Sentence2: She was now trying to choose a new color for her nails. Sentence3: This was hard because she had over twenty different colors. Sentence4: She finally settled on a dark blue color because she was feeling sad. Sentence5: Amy painted her nails.
A:
Amy