What is the relationship between 'GMC' and 'truck' in the context of the input sentence.
Options: product/material produced, parent organization, location of formation, platform

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