Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: (A) breaking up with my gf because I've hurt her too much and don't think I can measure up to the potential she sees in me
(B) ghosting my now former best girl friend
Student:
B