I am travelling to Spain for university training/teaching purpose for 5 days and I need to know what is the visa type I should choose from the following options: Business, Sports, Cultural, Other, Study, Visiting family or friends, Medical reasons, Official visit, Transit, Airport transit, Tourism.
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I think that "business" is the most appropriate, but I suggest you ask the host university: they are used to dealing with visa issues and they should be able to answer with certainty.