YOU SAID:
Kate's back hurts because of a horse
INTO JAPANESE
ケイトのために馬の背中が痛い
BACK INTO ENGLISH
Kate for the horse's back hurts
INTO JAPANESE
ケイトに馬の背中が痛い
BACK INTO ENGLISH
Kate is the horse's back hurts
INTO JAPANESE
ケイトは馬の背中が痛い
BACK INTO ENGLISH
Kate is the horse's back hurts
You've done this before, haven't you.