Task: Question Answering
Input (English): Question: Which of the following triples of numbers have the same standard deviation as the numbers a, b, and c?
I. a-2, b-2, c-2
II. 0, a-b, c-b
III. a-4, b+5, c-1

 Option A: I only

 Option B: II only

 Option C: I and III only

 Option D: II and I only

 Option E: I, II, and III
Output (English): Option D