="menu">Existing Row Lists...</span>: This option lets you create a new <span class="keyword">row list</span> from two
existing lists using a logical operation. In case of <span class="menu">OR</span> the new list contains
all rows that are a member of at least one of the input lists. In case of <span class="menu">AND</span>
the new list only contains those rows that are members of both input lists.</li>
</p>
<p><span class="menu">Extend list to all rows of same category</span> This option can be selected f