Is there a lack of direct logical connection between the premise and the hypothesis? Premise: Adding the Japanese final vowels produces Gone with the Windo .  Hypercorrection, where Japanese speakers learn that many final vowels do not exist in the American version of the tongue and so remove them, sometimes incorrectly, gives us the California cities of San Francisk and Sacrament .  This process resulted in the sign reading Pizz and Coffee . Hypothesis: There is no confusion between English and Japanese, they translate perfectly. 
Adding the Japanese final vowels produces Gone with the Windo .  Hypercorrection, where Japanese speakers learn that many final vowels do not exist in the American version of the tongue and so remove them, sometimes incorrectly, gives us the California cities of San Francisk and Sacrament .  This process resulted in the sign reading Pizz and Coffee .###There is no confusion between English and Japanese, they translate perfectly. 