YOU SAID:
ehy, do you know what a cat do in a gym?
INTO JAPANESE
ehy、あなたは猫がジムで何をするか知っていますか?
BACK INTO ENGLISH
ehy, do you know what cats do in the gym?
INTO JAPANESE
ehy、あなたは猫がジムで何をするか知っていますか?
BACK INTO ENGLISH
ehy, do you know what cats do in the gym?
That didn't even make that much sense in English.