<% String activity = request.getParameter("activity"); %>

Try it out:

Practise North Saami grammar on the web pages that you choose yourself.

URL: 

Activity type:      <% if (!(activity.equals("Subject") || activity.equals("Object") || activity.equals("Adverbial") || activity.equals("Conjunctions"))) { %>   <% } %>

<% if (activity.equals("Dets") || activity.equals("Preps")) { %> Language:    

<% } else if (activity.equals("SerEstar")) { %> Language:

<% } else if (activity.equals("Konjunktiv")) { %> Language:

<% } else { %> <% } %>  (opens in a new window)

<% if (!activity.equals("SerEstar")) { %> <% } %>