Task: Question Answering
Input (English): Problem: a man took loan from a bank at the rate of 4 % p . a . s . i . after 10 years he had to pay rs . 2000 interest only for the period . the principal amount borrowed by him was ? 
Options: a ) 5000 , b ) 4500 , c ) 3200 , d ) 6000 , e ) 1592
Output (English): a