A slim crocodile living in Nile took a child. Mother begged to give him back. The crocodile could not only talk, he was also a great sophist, and so he stated: "If you guess (Edited: predict the fate = guess correctly), what I will do with him, I will return him. However, if you don't guess his fate I'll eat him." What statement shall the mother make to save her child (what about a vicious circle ...)?
See, this depends on the variation between the two things the crocodile said. One one of his statements, he asked the woman what he would do with him. On his second, he stated that he would eat the child if she did not guess his fate. If he was going by the second way, then all the mother would have had to do was say, 'He will die eventually.' This is always true, though if his first saying was the rule, then all she would have to have said was, 'You will do something with him.' Of course, then the crocodile would have had to have given up the child no matter what the circumstances.