Detailed Instructions: 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'.
Q: (A) sending a letter to USCIS telling them my husband married me for a green card, potentially resulting in him being deported
(B) talking to my friends parent without him knowing
A:
B