Task: Question Answering
Input (English): Problem: if xerox paper costs 5 cents a sheet and a buyer gets 10 % discount on all xerox paper one buys after the first 200 papers and 20 % discount after first 1000 papers , how much will it cost to buy 2500 sheets of xerox paper ? 
Options: a ) $ 125 , b ) $ 106 , c ) $ 135 , d ) $ 90 , e ) $ 100
Output (English): b