YOU SAID:
Little red riding hood, she sat on a pony.
INTO JAPANESE
赤ずきんちゃん、ポニーに座っていました。
BACK INTO ENGLISH
Little Red Riding Hood was sitting on the pony.
INTO JAPANESE
赤ずきんちゃんはポニーの上に座っていました。
BACK INTO ENGLISH
Little Red Riding Hood was sitting on the pony.
That didn't even make that much sense in English.