88958
In April 2013 , he was part of the team addressing the expansion of the experimentally verified scope of Einstein 's theory of relativity as a result of observations of the pulsar J0348 +0432 .
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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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