YOU SAID:

Who's on first base, what's on second, I don't know is on third.

INTO JAPANESE

誰が一階にいて、二番目に何があります、私は知りませんが三番目です。

BACK INTO ENGLISH

Who is on the first floor, what is second, what I do not know is the third.

INTO JAPANESE

一階にいるのは誰、二階にあるのか、私が知らないのは三階です。

BACK INTO ENGLISH

Who is on the first floor, on the second floor, the third floor I do not know.

INTO JAPANESE

誰が一階、二階、三階にいるのか私にはわからない。

BACK INTO ENGLISH

I do not know who is on the first, second and third floor.

INTO JAPANESE

私は1階、2階、3階に誰がいるのかわかりません。

BACK INTO ENGLISH

I do not know who is on the 1st, 2nd, 3rd floor.

INTO JAPANESE

私は1、2、3階に誰がいるのかわかりません。

BACK INTO ENGLISH

I do not know who is on the 1st, 2nd and 3rd floors.

INTO JAPANESE

私は1階、2階、3階に誰がいるのかわかりません。

BACK INTO ENGLISH

I do not know who is on the 1st, 2nd, 3rd floor.

INTO JAPANESE

私は1、2、3階に誰がいるのかわかりません。

BACK INTO ENGLISH

I do not know who is on the 1st, 2nd and 3rd floors.