TASK DEFINITION: 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: Oswald sold oranges on the side of the road. Sentence2: He loved his job and he didn't care that he hardly made any money. Sentence3: Oswald loved oranges. Sentence4: His favorite part was seeing how happy his oranges made people. Sentence5: At the end of the day he would count smiles not money.

SOLUTION: Oswald, People

PROBLEM: Sentence1: Burt left his car windows down one sunny day in New Jersey. Sentence2: The weather changed and soon it started to downpour. Sentence3: Burt ran to his car and rolled up his windows during the storm. Sentence4: The inside was not very wet yet. Sentence5: Burt sighed in relief and vowed to never be so foolish again.

SOLUTION: Burt

PROBLEM: Sentence1: Ken was playing video games. Sentence2: His character kept being unresponsive. Sentence3: Ken said it was his controller. Sentence4: His friends didn't believe him. Sentence5: He proved it to them by switching.

SOLUTION:
Ken, His friends