instruction:
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.
question:
Sentence1: Jake wanted to join little league. Sentence2: He had asthma and his parents were worried. Sentence3: He convinced them to let him. Sentence4: He had a lot of fun. Sentence5: His parents decided to trust him more.
answer:
His parents, Jake

question:
Sentence1: Mary loves to buy ice cream from the Ice Cream Truck. Sentence2: One day Mary bought a snow cone from the truck. Sentence3: She was enjoying her snow cone. Sentence4: Unfortunately Mary accidentally dropped her cone. Sentence5: The driver of the Ice cream Truck was nice and gave Mary another one.
answer:
Driver of ice cream truck, Mary

question:
Sentence1: David is very competitive. Sentence2: He always tries to beat everyone he competes with. Sentence3: One day, David's brother challenges him to a game of chess. Sentence4: David lost the chess match to his brother. Sentence5: Now, David tries to be less competitive and more understanding.
answer:
David's brother, Everyone, David's brother, David