What is the conductor's responsibility regarding the train consist (list of cars) at the start of a trip?

1. Verify only that the number of cars matches the crew caller's information
2. Ensure the consist document is accurate, including car numbers, hazmat placards, and tonnage
3. Trust the car clerk's paperwork and focus solely on brake testing
4. Verify only cars carrying hazmat; non-hazmat cars do not require consist verification