5238
Let be a locally compact Hausdorff space , and let be the smallest σ-algebra that contains the open sets of ; this is known as the σ-algebra of Borel sets .
 person: Hausdorff; person: Borel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Hausdorff; person: Borel