Take context from the input text and decide on the accurate relationship between 'Sergio Marchionne' and 'Fiat' from the options provided.
Options: director/manager, owner of, industry, 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