Task: Question Answering
Input (English): Problem: if 2 men or 3 women can reap a field in 10 days how long will 4 men and 5 women take to reap it ? 
Options: a ) 2 / 25 , b ) 11 / 30 , c ) 3 / 60 , d ) 5 / 42 , e ) 7 / 12
Output (English): b