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: Sally was feeling lonely. Sentence2: She had moved away from home and was missing her friends. Sentence3: She heard a soft knock on the door. Sentence4: She opened the front door and saw all her friends standing there! Sentence5: She was so excited she cried!
A:
Sally, Friends