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