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

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