24908
The two armies clashed in the Battle of the Catalaunian Plains , the outcome of which is commonly considered to be a strategic victory for the Visigothic-Roman alliance .
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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:  
Answer:
 None