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was a Japanese molecular biologist known for his research in DNA replication and especially for describing the role of so-called Okazaki fragment s which he discovered working with his wife Tsuneko Okazaki in 1966 .
 person: Okazaki; person: Tsuneko Okazaki
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: Okazaki, Tsuneko Okazaki 
Answer:
 person: Okazaki; person: Tsuneko Okazaki