41.  A huge female foot hove into view, and then a vast hand appeared and clipped away at its toenails.

42.  A huge goat-hair sack would then be thrown over the saddle, forming two deep pockets either side.

43.  A jeep carrying two soldiers holding guns followed us for several miles, then turned back.

44.  A key ingredient of this proof was to represent the complex numbers geometrically, and then to use a topological argument.

45.  A kitchen appliance part today injection-molded from plastic then would have been cast from iron.

46.  A kitchen worker appeared, dumped two black garbage sacks, then disappeared.

47.  A large, tabby cat came in, sniffed round his shoes then jumped up on his lap.

48.  A larger, more complicated set of questions then came to replace the first simple questions.