Truck maker Scania, a unit of Volkswagen AG (Other OTC: VLKAF - news ) , 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 (NasdaqGS: PCAR - news ) said orders at its European unit, DAF, were 60 percent higher in the quarter, as growing freight traffic -- a key economic indicator -- drove sales.
In the context of the input sentence, determine the relationship between 'Paccar' and 'Truck'.
Options: developer, product/material produced, position held, member of