You will be given a definition of a task first, then some input of the task.
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 the only person with an issue with class stacking in D&D
(B) 'letting' a blind man face plant a huge concrete column
Output:
B