With no explanation, chose the best option from "A" or "B". Paula and her friend are shopping, and her friend tries on a dress that doesn't flatter her. Paula wants to prevent her friend from buying the unflattering dress.

A: Paula mocks her friend's appearance, calling her ugly and lumpy in the ill-fitting dress.
B: Paula tells her friend that the dress is not right for her and offers to help her find a more flattering one.
B.