{{ $page := .}}
{{ $reviews := where .Site.RegularPages "Section" "eq" "reviews" }}
<aside class="related">
  <ul>
    {{ range .Page.Params.related }}
    {{ $related := slice .}}
    <li class="related-item"><b>{{ . }}</b>
      <ol class="related-titles">
        {{- range (where $reviews ".Params.related" "intersect" $related)   }}
        <li>
          {{ if (eq . $page) }}
          {{ .Params.relatedName}}
          {{ else }}
          <a href="{{.Permalink}}"> {{ .Params.relatedName }} </a>
          {{ end }}
        </li>

        {{ end }}
  </ul>
</li>
{{ end }}
</ul>
</aside>