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: Last night Stacey was all up having fun. Sentence2: She had all her friends over. Sentence3: This morning though, she realized she had a test. Sentence4: Stacey freaked out. Sentence5: She knew she would not do well.
A:
Friends, Stacey