YOU SAID:

The red book is in the room.

INTO JAPANESE

赤い本は部屋にあります。

BACK INTO ENGLISH

A red book is in the room.

INTO JAPANESE

部屋には赤い本があります。

BACK INTO ENGLISH

There is a red book in the room.

INTO JAPANESE

部屋に赤い本があります。

BACK INTO ENGLISH

There is a red book in the room.