void main()
{
    int nMatch = GetListenPatternNumber();
    object oShouter = GetLastSpeaker();
    object oIntruder;

    if (nMatch == -1 && GetCommandable(OBJECT_SELF))
    {
        ClearAllActions();
        BeginConversation();
    }
    else
    if(nMatch == 31420 && GetIsObjectValid(oShouter) && GetIsPC(oShouter))
    {
        string sSaid = GetMatchedSubstring(0);
        string sPhrase = GetLocalString(oShouter, "EffectSetting");

        SetLocalFloat(oShouter, sPhrase, StringToFloat(sSaid));
        DeleteLocalString(oShouter, "EffectSetting");
        DelayCommand(0.5, ActionSpeakString("The setting " + sPhrase + " has been changed to " + FloatToString(GetLocalFloat(oShouter, sPhrase))));
        DelayCommand(1.5, DestroyObject(OBJECT_SELF));
    }
}