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: Tre's bicycle really needed new brakes. Sentence2: Tre saved up all his allowance to take his bike to the shop. Sentence3: On the way a teenager jumped Tre and stole all his money and his bike. Sentence4: Tre walked home crying and empty handed. Sentence5: When he got there he found his mother dead.
answer:
A teenager, His mother, Tre

question:
Sentence1: Bob started working on Mturk to get some money. Sentence2: He needed a good place to find helpful people and good HITs. Sentence3: Bob came across a forum called the MTG. Sentence4: He talked on this forum and was very happy to be involved. Sentence5: Bob eventually game a lead moderator of the MTG!
answer:
Bob, Helpful people, Lead moderator

question:
Sentence1: Joe was hungry and wanted to make dinner. Sentence2: He put some chicken from the fridge into the microwave. Sentence3: He set the microwave to his desired time. Sentence4: All of a sudden the microwave made a huge noise. Sentence5: He had left a piece of foil in the microwave!
answer:
Joe