YOU SAID:
My daughter is taking riding lessons, horseback riding lessons.
INTO JAPANESE
私の娘は乗馬レッスン、乗馬レッスンを受けています。
BACK INTO ENGLISH
My daughter takes riding lessons, riding lessons.
INTO JAPANESE
私の娘は乗馬レッスン、乗馬レッスンを受けます。
BACK INTO ENGLISH
My daughter takes riding lessons, riding lessons.
That didn't even make that much sense in English.