YOU SAID:
this is the best pizza i've ever eaten
INTO JAPANESE
これは私が今まで食べた最高のピザ
BACK INTO ENGLISH
This is the best pizza I've ever eaten.
INTO JAPANESE
これは私が今まで食べた最高のピザです。
BACK INTO ENGLISH
This is the best pizza I've ever eaten.
That didn't even make that much sense in English.