Refer to the input text as context and select the correct relationship between 'Porsche 911 GT3' and 'Porsche' from the available options.
Options: location of formation, brand, member of, business division

(REUTERS/Michaela Rehle) A worker inspects the new Porsche 911 GT3 RS sports car in the final check area at the Porsche factory in Stuttgart-Zuffenhausen March 10, 2015.
brand