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Pasch ( 1935 – 1939 ) was a British Thoroughbred racehorse and sire , best known for winning the classic 2000 Guineas in 1938 , a year in which he started favourite for all three legs of the Triple Crown .
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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:
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