YOU SAID:
Let's eat grandmother
INTO JAPANESE
おばさん食べよう
BACK INTO ENGLISH
let's eat aunt
INTO JAPANESE
おばちゃん食べよう
BACK INTO ENGLISH
let's eat grandma
INTO JAPANESE
おばあちゃんを食べましょう
BACK INTO ENGLISH
let's eat granny
INTO JAPANESE
おばあちゃんを食べましょう
BACK INTO ENGLISH
let's eat granny
That didn't even make that much sense in English.