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Work Estrin served as research engineer in the von Neumann group at IAS from 1950 – 56 , this led to an invitation from the Weizmann Institute of Science in Israel to direct the WEIZAC Project in 1954-5 .
 person: Estrin; organization: IAS; organization: Weizmann; organization: Science; location: Israel
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: Estrin, IAS, Weizmann, Science, Israel 
Answer:
 person: Estrin; organization: IAS; organization: Weizmann; organization: Science; location: Israel