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: Bob likes to watch old westerns on TV. Sentence2: He turns up the volume so loud that you can't hear anything else. Sentence3: One day while he was watching the movie Shane the police came. Sentence4: The officer said that a neighbor had reported a domestic disturbance. Sentence5: He wrote down that the cause of the trouble was a cowboy gun fight.
A:
Bob, Police, Neighbor