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Chen was head of the Zhejiang University Institute of Nuclear Agricultural Sciences ( 浙江大学原子核农业科学研究所 ) , and was head of the State Key Laboratory of Nuclear Agricultural Sciences of the Ministry of Agriculture .
 person: Chen; organization: Zhejiang; organization: Sciences; organization: Sciences; organization: Ministry of Agriculture
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: Chen, Zhejiang, Sciences, Sciences, Ministry of Agriculture 
Answer:
 person: Chen; organization: Zhejiang; organization: Sciences; organization: Sciences; organization: Ministry of Agriculture