Analyze the relationship between 'Volvo' and 'truck' within the context of the input sentence.
Options: currency, director/manager, product/material produced, subsidiary

In addition the report provides the average selling price for top-selling Class 8 models for each of the major truck OEMs – Freightliner (Daimler); Kenworth and Peterbilt (Paccar); International (Navistar); and Volvo and Mack (Volvo).
product/material produced