{% load smartif %}

{% ifnotequal confidence None %}
 {% if confidence >= 95 %}
  <span class="high_confidence">
   {{ confidence|stringformat:"d" }} %
  </span>
 {% endif %}
 {% if confidence < 95 and confidence >= 90 %}
  <span class="medium_confidence">
   {{ confidence|stringformat:"d" }} %
  </span>
 {% endif %}
 {% if confidence < 90 %}
  <span class="low_confidence">
   {{ confidence|stringformat:"d" }} %
  </span>
 {% endif %}
{% else %}
   N/A
{% endifnotequal %}