Task: Question Answering
Input (English): Question: Let p and q be the root of the quadratic equation x2 - (∝ - 2)x - ∝ -1 =0. what is the minimum possible value of p2 + q2 ?

 Option A: 0

 Option B: 3

 Option C: 4

 Option D: 5

 Option E: 6
Output (English): Option D