@Override
	public boolean okMessage(Environmental affected, CMMsg msg)
	{
		if((msg.targetMinor()==CMMsg.TYP_ENTER)
		&&(msg.amISource((MOB)affected))
		&&(msg.source().isMonster())
		&&(msg.target() instanceof Room)
		&&(msg.tool() instanceof Exit)
		&&(Arrays.binarySearch(getBreathables(), ((Room)msg.target()).getAtmosphere())<0))
		{
			((MOB)affected).tell(_("That way looks too dry."));
			return false;
		}
		return true;
	}