Refer to the input text as context and select the correct relationship between 'Sergio Marchionne' and 'Fiat' from the available options.
Options: industry, owner of, director/manager, employer

** Consolidation continues to be necessary in the auto industry but there is nothing new to report on Fiat Chrysler's desire for a tie-up with General Motors , FCA CEO Sergio Marchionne said on Friday.
employer