Q: 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: Gavin had planned a surprise party for his cousin. Sentence2: He told everyone to be at his house early. Sentence3: Gavin got everything ready for the party. Sentence4: Everyone waited for the cousin. Sentence5: When Gavin's cousin showed up, he was quite surprised.
A:
Cousin, Gavin, Party