void main()
{
    object oPC = GetEnteringObject();
    object oPentagram = GetNearestObjectByTag("NK_FP_PENTAGRAM", oPC, 1);
    object oGem = GetItemPossessedBy(oPC, "NK_FP_POLY");
    AssignCommand(oPentagram, ActionTakeItem(oGem, oPC));
}