YOU SAID:
Why did mom scold the horse?
INTO JAPANESE
お母さんはどうして馬を叱ったの?
BACK INTO ENGLISH
Why did your mother scold the horse?
INTO JAPANESE
あなたのお母さんはなぜ馬を叱ったのですか。
BACK INTO ENGLISH
Why did your mother scold the horse?
That didn't even make that much sense in English.