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.
Analyze the relationship between 'Chrysler' and 'Fiat Chrysler Automobiles' within the context of the input sentence.
Options: platform, owned by, headquarters location, business division