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He served as Chairperson of the UCLA Computer Science Department from 1979 to 1982 and from 1985 to 1988 .
 organization: Science
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: Science 
Answer:
 organization: Science