Task: Question Answering
Input (English): Problem: 12 men work 8 hours per day to complete the work in 10 days . to complete the same work in 8 days , working 15 hours a day , the number of men required 
Options: a ) 8 days , b ) 3 days , c ) 7 days , d ) 5 days , e ) 6 days
Output (English): a