YOU SAID:
My sisters favourite thing in the whole entire world is unicorns
INTO JAPANESE
私の姉妹が全世界で好きなのはユニコーンです
BACK INTO ENGLISH
What my sister likes in the whole world is unicorn
INTO JAPANESE
私の姉が全世界で好きなのはユニコーンです
BACK INTO ENGLISH
What my sister likes in the whole world is unicorn
Well done, yes, well done!