DETROIT (AP) -- Fiat Chrysler must offer to buy back from customers more than 500,000 Ram pickup trucks in the biggest such action in U.S. history as part of a costly deal with safety regulators to settle legal problems in about two-dozen recalls.
What is the relationship between 'Ram pickup' and 'Chrysler' in the context of the input sentence.
Options: manufacturer, product/material produced, chief executive officer, industry