 Umwigisha muri kaminuza ya Harvard, umwe mu bakoze ubwo bushakashatsi, avuga ko bitabishe, kandi nubwo yakuriye mu borozi, afungura ibice bitatu vyinyama buri munsi, nawe ngo yasanze izo nfungurwa zitamurwa nabi Avuga ko hari ibintu vyinshi vyo guhitamwo, ati ushobora gushira hamwe ivyo bifungurwa, ugategura ubwoko bwamasahani buharurwa mu bihumbi. 