YOU SAID:

Who's on first base, what's on second base, and I-don't-know's on third base!

INTO JAPANESE

誰が一塁に、何が二塁に、そして私は知らないが三塁にいるのか！

BACK INTO ENGLISH

Who is on first base, what is on second base, and I don't know who is on third base!

INTO JAPANESE

一塁手は誰、二塁手は何、三塁手は誰なのかわからない！

BACK INTO ENGLISH

I don't know who is the first baseman, what is the second baseman, and who is the third baseman!

INTO JAPANESE

一塁手、二塁手、三塁手は誰なのかわかりません！

BACK INTO ENGLISH

I don't know who is the first baseman, second baseman, or third baseman!

INTO JAPANESE

一塁手、二塁手、三塁手が誰なのかわからない！

BACK INTO ENGLISH

I don't know who is the first baseman, second baseman, or third baseman!