Task: Question Answering
Input (English): Problem: what is the difference between the ci on rs . 5000 for 1 years at 4 % per annum ci yearly and half yearly ? 
Options: a ) rs . 2.04 , b ) rs . 2.12 , c ) rs . 2.23 , d ) rs . 3 , e ) rs . 3.04
Output (English): a