With no explanation, chose the best option from "A" or "B". Sarah's mother asks Sarah to compare two of her friends in terms of which one is a better friend. Sarah wants to compare her two friends.

A: Sarah says that the friend who is kinder and more generous is a better friend because they set a good example for Sarah.
B: Sarah says that the friend who is skinnier and prettier is a better friend because she's just more attractive and popular.
A.