In the context of the input sentence, determine the relationship between 'Opel Corsa' and 'Opel'.
Options: manufacturer, chairperson, developer, director/manager

So you see that we have been reasonably fast to bring those products to the market; and now we are entering a pipeline which is very levelized, one new model every year, starting with the Opel Corsa and then now coming the Opel Mokka.
manufacturer