title: AIML <topic> no match
body: <pre><code>&lt;category&gt;
     &lt;pattern&gt;Q3 income _&lt;/pattern&gt;
         &lt;template&gt;&lt;delay&gt;2&lt;/delay&gt;
         &lt;set name = &quot;topic&quot;&gt;Q4&lt;/set&gt; I am from UK. May I know What your home town is. &lt;/template&gt;
  
     &lt;/category&gt;
     
     &lt;topic name = &quot;Q4&quot;&gt;
     &lt;category&gt;
         &lt;pattern&gt;_&lt;/pattern&gt;
         &lt;that&gt;_ MAY I KNOW WHAT YOUR HOME TOWN IS&lt;/that&gt;
         &lt;template&gt;&lt;delay&gt;1&lt;/delay&gt;&lt;set name = &quot;topic&quot;&gt;Q5&lt;/set&gt; Good to know.&lt;/template&gt;
     &lt;/category&gt;
     &lt;/topic&gt;
  </code></pre>
  <p>The hometown question's answer can't be captured by topic Q4.</p>