A driver is asked to move dangerous goods but cannot produce a training certificate and is not working in direct contact with a trained person. What is the correct conclusion?

1. The driver must not handle, offer for transport, or transport those dangerous goods until properly trained or directly supervised by someone trained
2. A Class 1 licence alone authorizes the dangerous goods movement
3. Training is needed only for explosives, never other dangerous goods
4. The driver can continue if the shipment is sealed