97315
In 1994 , the two stars were separated by 5.1 arc second s , which is equivalent to 112.41 astronomical unit s. SZ Crateris is classified as a marginal BY Draconis variable , and has an optical variability cycle of 11.58 days .
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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