And likewise, when he conducted each of these cases, he saw that it was always one and not the other one. So the question is what exactly happened to that short trade that came from this? Was the short trade actually lost in the process of mating, in the process of crossing? Well, to answer this question whether or not the short trade was lost in this offspring, he conducted a second experiment. He said what if I take this f one generation and I made it with itself with another f one generation in the following manner? So let's suppose I conduct this experiment twice.