YOU SAID:

if one person is two, and i is who, then who is me, if one is three.

INTO JAPANESE

1人が2人で、私が誰で、1人が3人の場合、誰が私です。

BACK INTO ENGLISH

If one is two, who is me, and one is three, who is me.

INTO JAPANESE

1人が2人、誰が私であり、1人が3人、私が誰であるか。

BACK INTO ENGLISH

2 people, 1 person, 1 person, 3 people, 1 person.

INTO JAPANESE

2人、1人、1人、3人、1人。

BACK INTO ENGLISH

2 people, 1 person, 1 person, 3 people, 1 person.