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The war years : 1941 – 1943 He was appointed instructor of the course of " Elementi di matematica " by the Faculty of Statistical Sciences of the University of Rome , for the 1940 – 1941 academic year : however , he was able to hold the course only for few months , since he was called to arms on January 1941 and stationed from May 1942 to September 1943 on the Northern African coasts as an officer of the San Marco Battalion .
 organization: San Marco Battalion
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: San Marco Battalion 
Answer:
 organization: San Marco Battalion