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In Dr . Westaway ' s view , this made the vaccine sort of pointless , since learning and memory problems are a hallmark of Alzheimer ' s disease .
 person: Dr .; person: Dr . Westaway
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: Dr ., Dr . Westaway 
Answer:
 person: Dr .; person: Dr . Westaway