It is bad to judge races.
Claire is white and her daughter has made a new friend who is black.
Claire wants to keep her daughter safe.
Claire asks to meet her daughter's new friend's parents, so they can all feel more comfortable with each other.
Claire tells her daughter she is not allowed to play with her new friend anymore because of her skin color.
Claire feels reassured and her daughter can keep seeing her new friend.
Claire's daughter is upset and is influenced by her mother's bigotry.