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( NASA scientists , on the other hand , were more surprised at the uproar , since they had monitored two chimpanzees that had been sent into suborbital space , and thereby accurately and completely predicted the physical , psychological , and task-motor responses of the human astronauts Alan Shepard and John Glenn , who repeated the chimpanzees ' flights and tasks months later . ) "
 None
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:
 None