Task: Question Answering
Input (English): If \(2 \leq p \leq 6\) and \(1 \leq q \leq 12\), what is the smallest value of \((p + q)^2 - (p - q)^2\)?
(A)20 (B)18 (C)8 (D)6 (E)4
Output (English): C