Task: Question Answering
Input (English): Problem: a secret can be told only 2 persons in 5 minutes . the same person tells to 2 more persons and so on . how long will take to tell it to 768 persons ? 
Options: a ) 25 min , b ) 32 min , c ) 33 min , d ) 34 min , e ) 35 min
Output (English): e