Relational data, such as the set below, can be encoded into XML format as follows:

This data could be encoded as shown below, although there are many other ways of doing this. Can you rewrite it differently?

<class>CS&amp;614</class>
<students>3</students>
<mark>
  <student_name>vusi</studentname>
  <mark_obtained>12</mark_obtained>
</mark>
<mark>
  <student_name>john</student_name>
  <mark_obtained>24</mark_obtained>
</mark>
<mark>
  <student_name>nithia</student_name>
  <mark_obtained>36</mark_obtained>
</mark>

Now encode the following in XML: