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Another target of criticism is the behaviourism or " behavioural psychology " propounded by psychologists John B. Watson and B. F. Skinner .
 person: John B. Watson; person: B. F. Skinner
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: John B. Watson; person: B. F. Skinner