YOU SAID:
Hey, do you want to do something today?
INTO JAPANESE
ねえ、か今日何?
BACK INTO ENGLISH
Hey, do today what?
INTO JAPANESE
ねえ、今日は何ですか?
BACK INTO ENGLISH
Hey, today is what?
INTO JAPANESE
ねえ、今日は何ですか。
BACK INTO ENGLISH
Hey, today is what?
That didn't even make that much sense in English.