Task: Question Answering
Input (English): Problem: if the length of the side of a square is doubled , what is the ratio of the areas of the original square to the area of the new square ? 
Options: ['a ) 1 : 4', 'b ) 2 : 4', 'c ) 3 : 4', 'd ) 4 : 4', 'e ) 5 : 4']
Output (English): a