With no explanation, chose the best option from "A" or "B". Rachael picks up a dog walking down the street, and notices the contact information of the dog's owner written on her collar. Rachael wants to be close to the dog.

A: Rachael returns the dog to its owners asking if she could foster him when they're not around.
B: Rachael tosses the collar in the trashcan adopting the dog.
A.