The main thrust to the opposition's argument is that tales of this type are widely disseminated worldwide, and the similarities can be coincidental. And Yuriwaka was performed already in 1551, only 7 years after the Portuguese reached Japan and brought the Tanegashima rifle, which is insufficient time for the story to be absorbed and adapted, according to : Kanesaki Takeo, (1982), Mokuba to sekigyū 木馬と石牛 , Hosei University, pp. 211–226.
