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: Melissa was 20 pounds overweight. Sentence2: She hated to workout or participate in any kind of exercise. Sentence3: She didn't want to give up the foods she loved. Sentence4: A friend suggested that she just cut down on 25% of the food she eats. Sentence5: She followed this advice and has already lost 5 pounds.
A:
Melissa, Friend