YOU SAID:

He plays the saxophone while sitting alone in his apartment.

INTO JAPANESE

彼はアパートに単独で座っている間にサクソフォンを演奏する。

BACK INTO ENGLISH

He plays saxophone while sitting alone in the apartment.

INTO JAPANESE

彼はサクソフォンを単独でアパートに座って演奏する。

BACK INTO ENGLISH

He sits on his apartment alone and plays saxophone.

INTO JAPANESE

彼はアパートだけに座って、サクソフォンを演奏する。

BACK INTO ENGLISH

He sits only in the apartment and plays saxophone.

INTO JAPANESE

彼はアパートにのみ座って、サクソフォンを演奏する。

BACK INTO ENGLISH

He sits only in the apartment and plays saxophone.