public void removeContent(String variableId){
  if (!paused) {
    curState.removeFromState(variableId);
    update();
  }
 else {
    log.info("system is paused, ignoring removal of " + variableId);
  }
}

public void removeContent ( String variableId ) { if ( ! paused ) { curState . removeFromState ( variableId ) ; update ( ) ; } else { log . info ( "system is paused, ignoring removal of " + variableId ) ; } }
removes the variable from the dialogue state
