YOU SAID:
You were the first to be the last.
INTO JAPANESE
あなたは最後の一人だった。
BACK INTO ENGLISH
You were the last one.
INTO JAPANESE
あなたは最後の人だった。
BACK INTO ENGLISH
You were the last person.
INTO JAPANESE
あなたは最後の人だった。
BACK INTO ENGLISH
You were the last person.
That didn't even make that much sense in English.