Social competition refers to the behavior of individuals or groups competing with each other in order to obtain or use certain limited things in order to achieve possession, regardless of the efforts of others. Which of the following is not a social competition? ['Humans fight for the basic right to life during evolution.', 'In commodity society, merchants spend a lot of money to advertise in order to occupy the market.', 'Revolution and struggle led by the proletariat, mainly to replace the capitalist system with the socialist system.', 'Wang Yangming alone noticed the bamboo lattice in the backyard.']