Task: Question Answering
Input (English): Problem: the s . i . on a certain sum of money for 3 years at 8 % per annum is half the c . i . on rs . 4000 for 2 years at 10 % per annum . the sum placed on s . i . is ? 
Options: a ) 3000 , b ) 2802 , c ) 1750 , d ) 2990 , e ) 2982
Output (English): c