An lura cewa an tsara ainihin tsare-tsaren kafin a yi ƙoƙari don auna yawan kwarara.
Tabbas, wani nau'i mai rikitarwa na jumla shine "An lura cewa an tsara tsare-tsaren asali kafin a yi ƙoƙari don auna kwararar, kuma irin waɗannan karatun an yi su ne kawai a cikin 1907, da kuma ma'aunin matakan ambaliyar bazara a ranar 27 ga Maris 1908. "