A, B, and C sell their products. Among the three products, one is counterfeit, and the other two are genuine. A said: My product is genuine, and B's product is counterfeit; B said: My product is genuine, and C's product is counterfeit; C said: B's product is genuine, A's product is counterfeit. It is known that one of A, B, and C told all turth, one half turth, half lie, and the other told all lies.
Well, who sells counterfeit goods?
Not sure