Fiat Chrysler Labor Contract in Doubt: Workers at several of Fiat Chrysler Automobiles factories have rejected a proposed labor contract, indicating the Italian-U.S. auto maker is having a tough time selling a four-year deal that raises wages but falls short of expectations.
Utilize the input text as a context reference, choose the right relationship between 'Chrysler' and 'Fiat Chrysler Automobiles' from the options.
Options: business division, owned by, platform, headquarters location