YOU SAID:

I love eating a burger while riding on a horse's back

INTO JAPANESE

馬の背中に乗ってハンバーガーを食べるのが大好きです

BACK INTO ENGLISH

I love eating burgers on the back of a horse

INTO JAPANESE

馬の後ろでハンバーガーを食べるのが大好きです

BACK INTO ENGLISH

I love eating burgers behind the horse

INTO JAPANESE

馬の後ろでハンバーガーを食べるのが大好きです

BACK INTO ENGLISH

I love eating burgers behind the horse