YOU SAID:
The elephant didn't want to talk about the person in the room.
INTO JAPANESE
象は部屋の人について話したくありませんでした。
BACK INTO ENGLISH
The elephant did not want to talk about the people in the room.
INTO JAPANESE
象は部屋の人々について話したくありませんでした。
BACK INTO ENGLISH
The elephant did not want to talk about the people in the room.
That didn't even make that much sense in English.