Fritzchen goes to his mother and asks:
"Can I go to the swimming pool today? The first one will be finished today." The mother replied: ?Yes, of course.? If Fritzchen goes into the swimming pool, he comes back with his left arm broken.
The next day he asks his mother: "Can I go to the swimming pool again today? The 3 Series will be finished today." Then the mother: ?Yes, of course, my darling.? Fritzchen comes back with his right broken arm
The next day he asked again: "Can I go to the swimming pool? The 5 Series will be finished today." The mother replied: "Yes, of course, my darling." He comes back with two broken legs.
The next day he asked his mother: "Can I go to the swimming pool today? The water will be let in today."