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Upon Thomson 's death , the Raspberry Plain estate was deeded to his eldest son Stevens Thomson Mason , U.S. senator from Virginia .
 person: Thomson; person: Stevens Thomson Mason
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: Thomson, Stevens Thomson Mason 
Answer:
 person: Thomson; person: Stevens Thomson Mason