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: Dirt Nasty was a rapper. Sentence2: He spun rhymes about his escapades. Sentence3: He was so good at it, they forgot there was a person behind the name. Sentence4: Thus Dirt fell into a depression. Sentence5: In his depression, he gave up rap, and took up advocacy work.
[A]: Dirt nasty

[Q]: Sentence1: Calvin was so excited! Sentence2: His friends were coming over for a birthday party. Sentence3: He cleaned his room and decorated the play room. Sentence4: They came over and brought him gifts. Sentence5: He had a great time!
[A]: Friends, Calvin

[Q]: Sentence1: Kevin wanted to go skydiving. Sentence2: He checked the internet and found a local skydiving business. Sentence3: When he showed up for his appointment, nervousness set in. Sentence4: He went for it anyways and had the thrill of his life. Sentence5: Kevin is going skydiving again next week.
[A]:
Kevin