Tragedy in the commons: Also known as the tragedy in the commons, it means that everyone enjoys starting from his own private interests and striving for more income from it, and the price paid is borne by everyone. Which of the following are not part of the commons tragedy. ['Both sides of the arms race are facing a dilemma-on the one hand, military forces are increasing, on the other hand, national security is increasingly threatened.', 'In a game, any "winning" side departs from the game, and any "losing" side departs from the game.', 'A group of herdsmen graze together on a public pasture. Many herdsmen want to raise more sheep to increase their personal income. As a result, the pasture continues to degrade until the sheep can no longer be raised, and eventually all herders go bankrupt.', 'Some enterprises discharge sewage sewage, chemical radiative pollutants and high-temperature waste into the water body, and discharge toxic exhaust gas into the atmosphere.']