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A PDF file titled The Verse in Numbers , accompanying the map on its official website , and from which the map is based , states that in 2020 Earth astronomers discover that 34 Tauri , up until that time thought to be a single star , was actually a cluster of five stars and several brown dwarfs , and soon numerous Earth-sized planetary bodies are discovered .
 None
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