Task: Question Answering
Input (English): Problem: 5 people can write 25 book in 20 days working 8 hour a day . then in how many day 125 can be written by 75 people ? 
Options: a ) 25 / 3 , b ) 19 / 3 , c ) 20 / 3 , d ) 25 / 3 , e ) 22 / 3
Output (English): c