Task: Question Answering
Input (English): Problem: mr . bhaskar is on tour and he has rs . 360 for his expenses . if he exceeds his tour by 4 days , he must cut down his daily expenses by rs . 3 . for how many days is mr . bhaskar on tour ? 
Options: a ) 10 , b ) 20 , c ) 30 , d ) 40 , e ) 50
Output (English): b