YOU SAID:
bananas are the best things in the world if they don't have spiders on them
INTO JAPANESE
彼らはそれらにクモを持っていない場合、バナナは世界で最高のものです
BACK INTO ENGLISH
Bananas are the best in the world if they do not have spiders in them
INTO JAPANESE
彼らがそれらの中にクモを持っていないならば、バナナは世界で最高です
BACK INTO ENGLISH
Bananas are the best in the world if they do not have spiders in them
Well done, yes, well done!