254084
The greatest number of eclipses in one year was four , occurring in 7 different years : 193 BC , 175 BC , 168 BC , 157 BC , 135 BC , 121 BC , and 117 BC .
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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