YOU SAID:

Surely you are not fourth

INTO JAPANESE

きっとあなたは4番目ではありません

BACK INTO ENGLISH

Surely you are not the fourth

INTO JAPANESE

きっとあなたは4人目ではない

BACK INTO ENGLISH

Surely you are not the fourth person

INTO JAPANESE

きっとあなたは4人目の人ではない

BACK INTO ENGLISH

Surely you are not the fourth person