english: Now the funny thing is that Sarah Brosnan, who's been doing this with chimpanzees, had a couple of combinations of chimpanzees where, indeed, the one who would get the grape would refuse the grape until the other guy also got a grape.
non_english: Vtipné je to, že Sarah Brosnan ktorá toto robila so šimpanzmi, mala niekoľko kombinácií šimpanzov kedy skutočne ten čo dostal hrozno, ho odmietol, kým ho nedostal aj druhý šimpanz.