https://www.w3.org/ns/activitystreams</code>". Implementations
          MAY use the alternative URL
          "<code>http://www.w3.org/ns/activitystreams</code>"
          instead. This can be done using a string, object, or array.
        </p>

        <section id="example-1context">
          <h2>Context with a string</h2>

          <figure>
            <figcaption>
              Document providing a context as a string.
            </figcaption>
            <div id="ex1-context" style="display: block;"