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.
그런데 침판지와 이런 연구를 오래동안 한 사라 브로스난은 다른 원숭이에게도 포도를 줄 때까지 자신의 포도를 거절했던 침판지 실험 파트너들을 두어번 봤었죠.