proceeding while awaiting thread response with simulated lag

Client/src/main/java/MessageSender.java

         for (int i = 2; i < list.size(); i++) {
             sentence += list.get(i) + " ";
         }
+
         sentence = sentence.substring(0, sentence.length()-1);
         if (list.get(1).equalsIgnoreCase("group")){
             message = new Message(user.getGithub(), "", sentence);
         } else {
             message = new Message(user.getGithub(), list.get(1), sentence);
         }
-        
+
         String results = webber.send_message(message);
         try {
             Thread.sleep(10000);

Client/src/main/java/SimpleShell.java

                 if (list.contains("send")) {
                     MessageSender sender = new MessageSender(list, user, webber);
                     Thread thread = new Thread(sender);
-                    thread.run();
+                    thread.start();
                     continue;
                 }