Refer to the input text as context and select the correct relationship between 'Paccar' and 'Truck' from the available options.
Options: distributed by, platform, product/material produced, business division

Truck maker Scania, a unit of Volkswagen AG, said its orders rose 41 percent in the second quarter in Europe, compared to the same period last year, while U.S. rival Paccar Inc (PCAR.O) said orders at its European unit, DAF, were 60 percent higher in the quarter, as growing freight traffic -- a key economic indicator -- drove sales.
product/material produced