question: Due to Germanization which three groups saw a decrease in Prussia ?
answer: Masurians , Kursenieki and Prussian Lithuanians
turker_answer: Due to Germanization , the three groups that saw a decrease in Prussia were the Masurians , Kursenieki and Prussian Lithuanians .
rule-based: Due to Germanization Masurians , Kursenieki and Prussian Lithuanians three groups saw a decrease in Prussia .