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: A third base coach gave the wrong sign to a player on first. Sentence2: The player ran to steal second base and was almost thrown out. Sentence3: The coach felt in the moment so he told the player to steal again. Sentence4: Once again the player tried to steal a base but was thrown out. Sentence5: That was the third out and the inning was over.
[A]: Player, Coach

[Q]: Sentence1: Jill was lost in the wilderness. Sentence2: She had been hiking by herself and got separated from the trail. Sentence3: Her boyfriend called the police after not hearing from her. Sentence4: A search team was dispatched to the GPS coordinates on her phone. Sentence5: A helicopter found and rescued Jill near a large tree.
[A]: Jill, Police, Boyfriend

[Q]: Sentence1: Kev had a blister on his heel. Sentence2: He tried to ignore it. Sentence3: But it bothered him so he popped it. Sentence4: Soon it grew red and sore. Sentence5: Kev's blister had gotten infected!
[A]:
Kev