The Typhoon has attracted fewer orders this year than the rival Rafale built by France's Dassault Aviation (Paris: FR0000121725 - news ) , which sealed sales to Egypt and Qatar with the involvement of French President Francois Hollande.
In the context of the input sentence, determine the relationship between 'Rafale' and 'Dassault Aviation'.
Options: member of, location of formation, developer, headquarters location