Reddit Email Print Reprint NEW YORK (TheStreet) --  General Motors ( GM - Get Report ) CEO Mary Barra two weeks ago in Frankfurt presented the latest generation Opel Astra , a car that symbolizes GM's comeback efforts on the continent.
Utilize the input text as a context reference, choose the right relationship between 'Mary Barra' and 'General Motors' from the options.
Options: subsidiary, brand, employer, chairperson