Task: Question Answering
Input (English): Question: Ifaequals the sum of the even integers from 2 to 100, inclusive, andbequals the sum of the odd integers from 1 to 99, inclusive, what is the value of a - b ?

 Option A: 1

 Option B: 50

 Option C: 19

 Option D: 20

 Option E: 21
Output (English): Option B