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? If you are still confused, see the following example:
(A) trying to be a decent parent
(B) remaining Friendly with my racist coworker
Solution: B
Reason: action (B) is not ethical.

Now, solve this instance: (A) wanting my dad to do something about my older brother
(B) calling out my grandmother for not watching children she insists on bringing in to our house
Student:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
B