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: Cay's light bulb blew out. Sentence2: She could not reach the ceiling to replace it. Sentence3: Her boyfriend was gone all night. Sentence4: She decided she would have to make do until he returned. Sentence5: She lit candles and used them to see.
A:
Cay, Boyfriend