It is constantly renewed. We go through a lengthy program of training at Rigaud. We learn throughout our careers. We try different modes, we specialize, and we join different teams.
You're right that it's all about that interaction, that ability to read indicators, and to be able to do that interdiction that we need to do. That's our primary concern. The more automation that we add on, the less interaction we will have with travellers. No machine is going to tell you if someone is lying. Obviously, when you're relying on people's self-declarations, no one smuggling is going to self-declare that they are doing so.