YOU SAID:

Pianos can eat a chestnut whilst playing themselves

INTO JAPANESE

ピアノは彼ら自身を再生しながら栗を食べることができます。

BACK INTO ENGLISH

Piano can eat chestnuts while playing themselves.

INTO JAPANESE

ピアノは、自分自身を再生しながら栗を食べることができます。

BACK INTO ENGLISH

Piano can eat chestnuts while playing himself.

INTO JAPANESE

ピアノは、自分自身を再生しながら栗を食べることができます。

BACK INTO ENGLISH

Piano can eat chestnuts while playing himself.