YOU SAID:

I painted my egg with cheese while my sister covered the other one with juice

INTO JAPANESE

私は妹がジュースでもう一方を覆っている間、私はチーズで私の卵を塗った

BACK INTO ENGLISH

I painted my eggs with cheese while my sister covered the other with juice.

INTO JAPANESE

私はチーズで卵を塗り、妹はジュースでもう一方を覆った。

BACK INTO ENGLISH

I painted the egg with cheese and my sister covered the other with juice.

INTO JAPANESE

私はチーズで卵を塗り、妹はジュースでもう一方を覆いました。

BACK INTO ENGLISH

I painted the egg with cheese and my sister covered the other with juice.