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Sven Ludvig Lovén ( 1809 – 1895 ) , was a Swedish marine zoologist and malacologist .
 person: Sven Ludvig Lovén
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: Sven Ludvig Lovén 
Answer:
 person: Sven Ludvig Lovén