YOU SAID:
What the heck is the dog doing
INTO JAPANESE
犬は一体何をしているのですか
BACK INTO ENGLISH
What the hell is a dog doing
INTO JAPANESE
犬は一体何をしているのか
BACK INTO ENGLISH
What the hell does a dog do
INTO JAPANESE
犬は一体何をしますか
BACK INTO ENGLISH
What the hell does a dog do
That didn't even make that much sense in English.