Given the task definition and input, reply with output. 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) telling my so that I value her advice and my friend's advice differently because they work in different fields
(B) not visiting my grandfather or bringing my two-year-old to see him

B