YOU SAID:
部屋に犬がいます
INTO JAPANESE
部屋に犬がいます
BACK INTO ENGLISH
There is a dog in the room
INTO JAPANESE
その部屋にはピアノがあります。
BACK INTO ENGLISH
There is a piano in the room.
INTO JAPANESE
その部屋にはピアノがあります。
BACK INTO ENGLISH
There is a piano in the room.
That didn't even make that much sense in English.