ars/templates/single_choice/result.stpl

<% if is_correct { %>
    <h1>Correct</h1>
    <p>Your answer is correct. The correct answer is <b><%= correct_answer %></b>.</p>
<% } else { %>
    <h1>Wrong</h1>
    <p>
        Your answer is incorrect. The correct answer is <b><%= correct_answer %></b>.
        <% if let Some(player_answer) = player_answer { %>
            You answered <b><%= player_answer %></b>.
        <% } else { %>
            You didn't answer the question.
        <% } %>
    </p>
<% } %>