Detailed Instructions: 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.
Problem:Sentence1: Thomas played cowboys growing up in the 1950's. Sentence2: The good guys wore white hats and the others wore black hats. Sentence3: In 2016 he learned that his grandson had become a computer hacker. Sentence4: But his disappointment soon turned to delight. Sentence5: The young man was a white hat hacker for the good guys.
Solution:
Good guys, Thomas, Grandson, Others