| \begin{tabular}{ r r r r } Card A | Card B | Carc C | Card D | |
| Fronts | A | B | Card E | |
| \cline{2-4} | D | E |
4. A set of five cards each have a letter printed on their front and a number printed on their back, as follows:
\begin{center}
\begin{tabular}{ l | r r r r r }
& \begin{tabular}{ r r r r }
Card A & Card B & Carc C & Card D \\
Fronts & A & B & Card E \\
\cline{2-4}
& & D & E \\
\hline
\end{tabular} \\
\end{tabular}
\end{center}
Backs\\
\includegraphics[max width=\textwidth, alt={}, center]{a6b2cfbb-8b77-49a4-83f6-79664566060f-05_199_1035_708_635}
Which one of the five cards (A, B, C, D or E) provides a counterexample to the following statement?
Every card that has a vowel on its front has an even number on its back.\\