pan class="op">|&gt;</span></span>
<span>    <span class="fu"><a href="../reference/ollama_chat.html">ollama_chat</a></span><span class="op">(</span>.model <span class="op">=</span> <span class="st">"gemma2"</span><span class="op">)</span></span>
<span>  </span>
<span>  <span class="co"># Extract the prior answer (belief before the treatment)</span></span>
<span>  <span class="va">prior_answer</span> <span class="op">&lt;-</span> <span class="va">prior</span> <span class="op">|&gt;</span> <span class="fu"><