With no explanation, chose the best option from "A" or "B". Mark is walking down the street, when he notices a cat with a tag around its neck which shows an address and phone number. Mark wants to take the cat somewhere so it's off the street.

A: Mark decides to take the cat to his house where he feeds the cat and keeps it for himself.
B: Mark takes the cat to the address listed on the cat's collar and gives the cat back to the people that live there.
B.