201 Line 50 reads the next word (which will be a city) into the array city$ and then moves the ‘data pointer’ on to point to the next word (which will be a country). Line 60 reads the next piece of DATA into the country$ array. Line 70 is the end marker of the FOR...NEXT loop. Lines 110 to 170 loop ten times through a ‘question and answer’ quiz. Lines 500 to 530 contain the DATA used above. Lines 600 to 630 are a procedure to deal with correct replies. Lines 700 to 730 deal with incorrect replies.