Ngwa maka oge opupu ihe ubi -Na-esochi mkpọsa isi nke Guess, ụdị ejiji ewepụtala mgbasa ozi ngwa ngwa mmiri 2014 nke Pulmanns sere. Otu ụzọ okike na-ejide ụdị Megan Williams na Heather Depries n'ụdị ihe oyiyi anwụ na-acha ebe ụmụ agbọghọ na-eṅomi ugogbe anya anwụ anwụ, ngwa nwere ụdị obi na nnukwu tote. Hụ ihe ndị ọzọ site na mkpọsa echiche ọhụrụ n'okpuru.
