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) regularly nudging, jostling and sometimes pushing people exiting airplanes
(B) not carrying a suitcase to the 3rd floor

A