Analyze the relationship between 'Paccar' and 'Kenworth' within the context of the input sentence.
Options: subsidiary, founded by, legal form, operator

Class 8 Used Truck Volumes Flat in July, ACT Research August 27, 2015, 07:00 AM Related: ACT Research , Class 8 , Daimler , Freightliner , Kenworth , Mack , Navistar , Paccar , Peterbilt , Trucks , Used Equipment , Volvo
subsidiary