YOU SAID:
What do you call your grandpa?
INTO JAPANESE
おじいちゃんを何と呼びますか?
BACK INTO ENGLISH
What do you call Grandpa?
INTO JAPANESE
おじいちゃんとは何ですか?
BACK INTO ENGLISH
What is Grandpa?
INTO JAPANESE
おじいちゃんとは?
BACK INTO ENGLISH
What is Grandpa?
That didn't even make that much sense in English.