YOU SAID:
allen ate a ping pong ball
INTO JAPANESE
アレンは、ピンポン ・ ボールを食べた
BACK INTO ENGLISH
Allen had a ping pong ball
INTO JAPANESE
アレンは、ピンポン玉を持っていた
BACK INTO ENGLISH
Allen had a ping pong ball
That didn't even make that much sense in English.