Chrysler executive Scott Garberding said in court on Tuesday that Chrysler had explored tie-up deals with Nissan and General Motors prior to the current proposed deal with Fiat, but they fell apart as the U.S. economy worsened.
Utilize the input text as a context reference, choose the right relationship between 'Chrysler executive' and 'Chrysler' from the options.
Options: manufacturer, location of formation, distributed by, founded by