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: Francis decided to do some baking. Sentence2: He couldn't decide what to bake. Sentence3: He thought about cookies, but decided not to. Sentence4: Finally, he made some croissants. Sentence5: They burned!

SOLUTION: Francis

PROBLEM: Sentence1: It was early December. Sentence2: My mom had been fighting cancer. Sentence3: She knew her time was near. Sentence4: She promised she would look after me in heaven. Sentence5: She died in her sleep.

SOLUTION: I (myself), My mom

PROBLEM: Sentence1: Steve was getting ready for a big show with his band. Sentence2: He was helping to carry their equipment to the stage. Sentence3: Suddenly he tripped and dropped his guitar. Sentence4: The neck snapped, leaving him without one for the show. Sentence5: Luckily someone was able to find a replacement just in time.

SOLUTION:
Steve, His band, Someone