The following ordered pairs form polygon WXYZ:

W(‒1, 3), X(2, 3), Y(3, ‒1), and Z(‒1, ‒1)

Which statement is not true?

A.
WX is perpendicular to WZ.

B.
∠WXY is a right angle.

C.
WX is parallel to ZY.

D.
∠WZY is congruent to ∠ZWX.