I Can See the Truth and Falsehood of Everything

One day, Qian Feng got the super power to see the truth and lies of all things! … I guessed that this watermelon had been stored for several days and was not fresh at all. Is my guess true or false? Real. Qian Feng: Oh, I understand! My guess is that this lottery ticket won't win. Is my guess true or false? Fake. Qian Feng: Oh, I understand! I guess this antique is real. Is my guess true or false? Real. Qian Feng: Oh, I understand! I guess this stock will rise within three days. Is my guess true or false? Real. Qian Feng: Oh, I understand!