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

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