YOU SAID:
Peter pick picked a pickle but didn't like the pickle Peter picked
INTO JAPANESE
ピーターピックはピクルスを選びましたがピーターが選んだピクルスは好きではありませんでした
BACK INTO ENGLISH
Peter Pick chose pickles but did not like the pickles Peter chose
INTO JAPANESE
ピーターピックはピクルスを選んだが、ピクルが好きではなかった
BACK INTO ENGLISH
Peter Pick chose pickles but did not like pickles
INTO JAPANESE
Peter Pickはピクルスを選びましたが、ピクルスは好きではありませんでした
BACK INTO ENGLISH
Peter Pick chose pickles but did not like pickles
That didn't even make that much sense in English.