YOU SAID:

I read a book involving two rabbits playing golf whilst my sister looked over my shoulder.

INTO JAPANESE

姉が私の肩越しに見ている間、私は 2 匹のウサギがゴルフをしている本を読みました。

BACK INTO ENGLISH

While my sister looked over my shoulder, I read a book about two rabbits playing golf.

INTO JAPANESE

姉が私の肩越しに見ている間、私は 2 匹のウサギがゴルフをしているという本を読みました。

BACK INTO ENGLISH

While my sister looked over my shoulder, I read a book about two rabbits playing golf.