Offensive action in defense refers to offensive actions taken by defensive forces under favorable circumstances and situations. Based on the above definitions, Which of the following military operations are not considered offensive in defense:. ['Impact on the enemy that has entered the position, eliminate the enemy that has penetrated, and improve or restore the defense posture.', "The defensive army takes the initiative to attack the enemy with a small attack, and repels the enemy's attack.", "The unit that directly resists the enemy's impact, and takes the initiative to attack the enemy who is frustrated by the impact and stays at the front of the position to destroy the enemy and stabilize the defense situation.", "The besieged army organizes a lean squad, jumps out of the encirclement, inserts to the enemy's side, attacks the enemy, and clamps down the sieging enemy."]