YOU SAID:
what's the best thing that can happen on earth?
INTO JAPANESE
地球で起こりうる最も良いことは何ですか?
BACK INTO ENGLISH
What is the best thing that can happen on the earth?
INTO JAPANESE
地球上で起こり得る最も良いことは何ですか?
BACK INTO ENGLISH
What is the best thing that can happen on the earth?
That didn't even make that much sense in English.