Task: Question Answering
Input (English): Problem: what is the positive integer that can be added by 595 to make it a perfect square ? 
Options: ['a ) 2 * 3 * 6', 'b ) 3 * 2 * 5', 'c ) 5 * 3 * 3', 'd ) 2 * 3', 'e ) 3 * 5 * 4']
Output (English): b