Task: Question Answering
Input (English): Problem: a man deposits $ 1000 in a bank at 2 % per annum and $ 1500 in uti at 7 % per annum . find the rate of interest for the whole sum . 
Options: a ) 5 % , b ) 8 % , c ) 3 % , d ) 7 % , e ) 1 %
Output (English): a