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: Monica was excited to be at her local county fair. Sentence2: She was planning on riding her favorite rides after dark. Sentence3: Beforehand she ate some fried goodies with her friends. Sentence4: Unfortunately her stomach began to ache from the food. Sentence5: She ended up too sick to ride any ride.
Monica, Friends