<div dir="ltr"><div class="gmail_extra">Try this;</div><div class="gmail_extra"><br></div><div class="gmail_extra"><span style="font-family:arial,sans-serif;font-size:13px">rule &quot;Combine ODMAnswers&quot;</span><br style="font-family:arial,sans-serif;font-size:13px">
<br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">    when</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">        $a1:ODMAnswer( some check )</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">        $a2:ODMAnswer( assuming something making this one different than $a1 )</span></div><div class="gmail_extra"><br style="font-family:arial,sans-serif;font-size:13px">
<br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">        eval(odmList contains $a1 &amp;&amp; odmList contains $a2)</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">    then</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">        ODMAnswer answer = new ODMAnswer(  );</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">        odmList.add(answer);</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">        odmList.remove($a1);</span><br style="font-family:arial,sans-serif;font-size:13px">
<span style="font-family:arial,sans-serif;font-size:13px">        odmList.remove($a2);</span><br style="font-family:arial,sans-serif;font-size:13px"><span style="font-family:arial,sans-serif;font-size:13px">end</span></div>
<div class="gmail_extra"><font face="arial, sans-serif"><br></font></div><div class="gmail_extra"><font face="arial, sans-serif"><br></font><div class="gmail_quote">On Wed, Jan 16, 2013 at 10:41 AM, Bojan Janisch <span dir="ltr">&lt;<a href="mailto:bojan.janisch@scai.fraunhofer.de" target="_blank">bojan.janisch@scai.fraunhofer.de</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div id=":2dl">rule &quot;Combine ODMAnswers&quot;<br>
<br>
    when<br>
        $a1:ODMAnswer(  )<br>
        $a2:ODMAnswer(  )<br>
<br>
        eval(odmList contains $a1 &amp;&amp; odmList contains $a2)<br>
    then<br>
        ODMAnswer answer = new ODMAnswer(  );<br>
        odmList.add(answer);<br>
        odmList.remove($a1);<br>
        odmList.remove($a2);<br>
end</div></blockquote></div><br><br></div></div>