241877
Description Emigrants from Earth establish colonies on fifty worlds , the first being Aurora , the last Solaria , and the Hall of the Worlds located on Melpomenia , the nineteenth .
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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