Provocative defense: refers to the act of presuming to instigate others to attack themselves, and then infringe them under the pretext of "justified defense". Which of the following are provocations:. ['a man commits adultery with a wife of B, and is beaten up by B, and then there is the idea of murder and revenge. A first goes to the entrance of B to call out the second wife, and then B fights out, and A stabs B with a dagger.', 'Wang and Zhao quarreled endlessly, Wang said: "If you scold again, I will hit you!" Zhao refused to show weakness: "You hit me and try. " So the two started fighting.', 'the three brothers scrambled for a family inheritance, and the boss broke it in an anxiety. The second brother and the third beat the boss together, and the boss fought back.', "An unemployed man was caught and beaten while robbing someone's purse, so he fought back hard, causing casualties to the other party."]