Take context from the input text and decide on the accurate relationship between 'Kenworth' and 'Truck' from the options provided.
Options: location of formation, business division, product/material produced, legal form

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
product/material produced