new Text3D:LSlabel;
	new Text3D:LSlabel2;
	new Text3D:LVlabel;
	new Text3D:SFlabel;
	if(newkeys & KEY_FIRE)
	{
		if(IsPlayerInRangeOfPoint(playerid, 1.0, X, Y, Z))
		{
			LSlabel = Create3DTextLabel("LSlabel", 0x000000FF, X, Y, Z, 30.0, 1);
			Delete3DTextLabel(LSlabel2);
			Delete3DTextLabel(SFlabel);
			Delete3DTextLabel(LVlabel);
			SetPlayerPos(playerid, X, Y, Z);
			SetPlayerInterior(playerid, 3);
			SetPlayerVirtualWorld(playerid, 1);
			Entering[playerid] = 1;
		}
	}
	if(newkeys & KEY_FIRE)
	{
		if(IsPlayerInRangeOfPoint(playerid, 1.0, X, Y, Z))
		{
			if(Entering[playerid] == 1)
			{
				Delete3DTextLabel(LSlabel);
				SetPlayerPos(playerid, X, Y, Z);
				SetPlayerInterior(playerid, 0);
				SetPlayerVirtualWorld(playerid, 0);
			}
		}
	}
	if(newkeys & KEY_FIRE)
	{
		if(IsPlayerInRangeOfPoint(playerid, 1.0, X, Y, Z))
		{
			LSlabel = Create3DTextLabel("SFlabel", 0x000000FF, X, Y, Z, 30.0, 1);
			Delete3DTextLabel(LSlabel2);
			Delete3DTextLabel(LSlabel);
			Delete3DTextLabel(LVlabel);
			SetPlayerPos(playerid, X, Y, Z);
			SetPlayerInterior(playerid, 3);
			SetPlayerVirtualWorld(playerid, 1);
			Entering[playerid] = 1;
		}
	}
	if(newkeys & KEY_FIRE)
	{
		if(IsPlayerInRangeOfPoint(playerid, 1.0, X, Y, Z))
		{
			if(Entering[playerid] == 1)
			{
				Delete3DTextLabel(SFlabel);
				SetPlayerPos(playerid, X, Y, Z);
				SetPlayerInterior(playerid, 0);
				SetPlayerVirtualWorld(playerid, 0);
			}
		}
	}
...

In this code show only LSlabel, not showing SFlabel