YOU SAID:
Why did you leave the kids upon the table?
INTO JAPANESE
なぜ子供たちをテーブルの上に置いたのですか?
BACK INTO ENGLISH
Why did you put the children on the table?
INTO JAPANESE
なぜ子供たちをテーブルに置いたのですか?
BACK INTO ENGLISH
Why did you put the children on the table?
That didn't even make that much sense in English.