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Ducati is also famous for using the desmodromic valve system championed by engineer and designer Fabio Taglioni , though the firm has also used engines that use valve springs to close their valves .
 organization: Ducati; person: Fabio Taglioni
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Ducati; person: Fabio Taglioni