A data engineering team is transitioning their existing data pipeline to use Auto Loader in Delta Live Tables for incremental processing of CSV files. These files are tab-delimited and include a header in the first line. A data engineer has prepared the following code snippet for this task: CREATE OR REFRESH STREAMING LIVE TABLE customers AS SELECT * FROM cloud_files("/databricks-datasets/retail-org/customers/", "csv", ____). Which of the following options correctly completes the cloud_files() function to utilize Auto Loader for data ingestion?