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Zhang favored consolidating power in Sichuan whereas Mao Zedong wanted to continue on to Gansu and Ningxia , to receive aid from the Soviet Union .
 person: Zhang; person: Mao Zedong
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: Zhang, Mao Zedong 
Answer:
 person: Zhang; person: Mao Zedong