104101
In mathematics , in particular in topology , a subset of a topological space ( X , τ ) is saturated if it is an intersection of open subsets of X. In a T1 space every set is saturated .
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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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