string getAvsGroupTagName(key avId){
    list details = llGetObjectDetails(avId, [OBJECT_GROUP_TAG] );
    return llList2String(details, 0);
}

default
{
    state_entry()
    {

    }

    touch_start(integer num)
    {
        llOwnerSay(getAvsGroupTagName(llDetectedKey(0)));
    }
}