YOU SAID:

Where did all of this sand come from?

INTO JAPANESE

すべてのこの砂はどこから来る?

BACK INTO ENGLISH

All this sand come from?

INTO JAPANESE

すべてのこの砂から来る?

BACK INTO ENGLISH

Come from all of this?

INTO JAPANESE

このすべてから来る?

BACK INTO ENGLISH

Come from all of this?