<prompt> Translate the following text to SwahiliFurthermore, when the options were fixed so that a boy could not give his group more without sacrificing profits for both groups, the boys still chose to maximize the difference in rewards between groups.  <response>: Zaidi ya hayo, wakati chaguzi zilipowekwa ili mvulana asingeweza kutoa kundi lake zaidi bila kutoa faida kwa makundi yote mawili, wavulana bado walichagua kuongeza tofauti ya tuzo kati ya makundi. 