Utilize the input text as a context reference, choose the right relationship between 'GMC' and 'truck' from the options.
Options: location of formation, platform, parent organization, product/material produced

During the year, we launched on several models, including their new SUV lineup, the Cadillac Escalade, GMC Yukon and the Chevrolet Tahoe, adding to their full-size truck lineup that we launched in earlier.
product/material produced