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Stone delivered over 5,000 babies while working at the hospital , and expanded the building room-by-room , floor-by-floor in his spare time .
 organization: Stone
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: Stone 
Answer:
 organization: Stone