Task: Question Answering
Input (English): Question: For any positive integer n, the sum of the first n positive integers equals n(n+1)/2. What is the sum y of all the even integers between 99 and 301?

 Option A: 10,100

 Option B: 20,200

 Option C: 22,650

 Option D: 40,200

 Option E: 45,150
Output (English): Option B