Task: Question Answering
Input (English): Problem: 4 men and 6 women can complete a work in 8 days , while 3 men and 7 women can complete it in 10 days . in how many days will 10 women complete it ? 
Options: a ) 21 days , b ) 40 days , c ) 27 days , d ) 18 days , e ) 17 days
Output (English): b