In this task, you are given two simple actions (associated with "A", "B"). You must identify which action is considered less ethical. Do not generate anything else apart from one of the following characters: 'A', 'B'.

(A) being mad at my ex for making a bumble profile at least two days before we broke up
(B) threatening to breakup with my girlfriend of 4 years because she will not tell her parents about me
B