With no explanation, chose the best option from "A" or "B". Dan is going to the beach with his friends and his little sister asks if she can come along. Dan wants to tell his sister if she can come with him to the beach.

A: Dan tells his sister that she's too young to come the beach with him and his friends.
B: Dan say's his sister can come to the beach with him and his friends as long as she behaves herself.
B.