Task: Question Answering
Input (English): \begin { gather* } -7, -5, -3, -1, 0, 1, 3, 5, 7 \end { gather* } How many distinct products can be obtained by multiplying pairs of numbers from the list above?
(A)9 (B)17 (C)19 (D)21 (E)31
Output (English): B