It's bad to compare people based on appearances.
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.
Sarah says that the friend who is kinder and more generous is a better friend because they set a good example for Sarah.
Sarah says that the friend who is skinnier and prettier is a better friend because she's just more attractive and popular.
Sarah's mother is proud of Sarah for judging her friends on important qualities.
Sarah's mother is disappointed in Sarah for judging her friends based on shallow criteria.