="nv">string</span> <span class="nv">is</span> .... <span class="nv">ABCDEFG</span> <span class="nv">abcdefg</span>
 <span class="nv">upper</span><span class="o">-</span><span class="nv">case</span> <span class="nv">output</span> <span class="nv">string</span> <span class="nv">is</span> ... <span class="nv">ABCDEFG</span> <span class="nv">ABCDEFG</span>
 <span class="nv">make</span> <span class="nv">first</span> <span class="nv">character</span> <span class="nv">uppercase</span>  ... <span class="nv">This</