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: Brittany was excited for her upcoming high school prom. Sentence2: She was looking forward to in very much. Sentence3: John was her date. Sentence4: They met at Brittany's house before the prom. Sentence5: John surprised Brittany with a carnation and it made her very happy.
A:
John, Brittany