You will be given a definition of a task first, then some input of the task.
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: Sandy and Syd were best friends since kindergarten. Sentence2: While Sandy remained plain looking, Syd blossomed. Sentence3: Syd got the attention of boys, who ignored Sandy. Sentence4: Sandy started spreading rumors about Syd. Sentence5: When Syd cried to her about the gossip, Sandy acted concerned.
Output:
Boys, Friends, Sandy, Syd