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The Australian Light Horse were similar to 18th - century dragoon regiments in some respects , being mounted infantry which normally fought on foot , their horses ' purpose being transportation .
 organization: Australian Light Horse
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: Australian Light Horse 
Answer:
 organization: Australian Light Horse