<h2 class="heading hide-type">
  <span class="type">Section</span> <span class="codenumber">1</span>
  <span class="title"></span>
</h2>
<section class="exercises" id="exercises-1">
  <h3 class="heading hide-type">
    <span class="type">Exercises</span> <span class="codenumber"></span>
    <span class="title">True/False</span>
  </h3>
  <div class="para" id="p-1">A True/False question.</div>
  <article class="exercise exercise-like" id="vector-space-dimension">
    <h3 class="heading">
      <span class="c