Q: 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.
Sentence1: Mark was walking to his room with a big plate of spaghetti. Sentence2: He tripped and the plate crashed into his chest. Sentence3: His tee shirt, a beloved family hand me down, was covered in sauce. Sentence4: He tried his best to clean up the stains. Sentence5: Luckily, he was able to get the food off of the shirt.
A:
Family, Mark