void main()
{
    object oActor;

    // Get the PC who is in this conversation.
    object oPC = GetPCSpeaker();

    // Have "Kels2" perform a sequence of actions.
    oActor = GetObjectByTag("Greechyelb2z");
    AssignCommand(oActor, ActionSit(GetNearestObjectByTag("chr_Grb2z")));

}