WASHINGTON (Reuters) - Fiat Chrysler Automobiles NV went on offense ahead of a hearing before federal regulators to blunt criticism of its plan to install trailer hitches on 1.5 million Jeep Cherokee and Liberty SUVs to avert a more costly fix to reduce the risk that fuel tanks could rupture and catch fire in rear-end collisions.
What is the relationship between 'Jeep Cherokee' and 'Chrysler' in the context of the input sentence.
Options: brand, manufacturer, publisher, chief executive officer