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She was asked to serve as the Alternate for the United States women 's team skipped by Cassandra Johnson .
 person: Cassandra Johnson
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: Cassandra Johnson 
Answer:
 person: Cassandra Johnson