YOU SAID:
my grandmas dog is my aunst sister
INTO JAPANESE
私のおばあちゃんの犬は私の叔母の妹です
BACK INTO ENGLISH
my grandma's dog is my aunt's sister
INTO JAPANESE
私のおばあちゃんの犬は私の叔母の妹です
BACK INTO ENGLISH
my grandma's dog is my aunt's sister
You've done this before, haven't you.