Socrates has a famous saying: "I only know one thing, and that is to know nothing. ". Which of the following most accurately illustrates the absurdity of the above reasoning? ['A: "We should not talk about our friends behind. " B: "Should we talk about our friends in person?".', 'One side of the card is written: "The sentence on the opposite side of the card is correct. " The other side is written: "The sentence on the opposite side of the card is wrong. ".', 'As the saying goes: "Manly husband, die rather than surrender. " As the saying goes, "Manly husband, can flex and stretch. ".', 'A: "There is a contradiction between your point of view and the mainstream point of view. " B: "It is nothing, the contradiction is widespread. ".']