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: Val drove her car down a steep hill. Sentence2: Her brakes did not seem to slow her down at all. Sentence3: Val had to steer into a parked car to slow her down. Sentence4: The two cars crashed together in a loud bang. Sentence5: This was enough to bring Val's car to a stop.
[A]: Val

[Q]: Sentence1: Art loves deep sea fishing. Sentence2: Art and his buddies chartered a boat for 4 hours of fishing. Sentence3: They decided that whoever had the strangest catch would get $50. Sentence4: Art caught an octopus. Sentence5: He received $50 for having the strangest catch of the day.
[A]:
Art, His buddies