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Other biologists such as J. B. S. Haldane and R. A. Fisher expressed skepticism in the belief that sterilization of " defectives " would lead to the disappearance of undesirable genetic traits .
 person: J. B. S. Haldane; person: R. A. Fisher
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: J. B. S. Haldane, R. A. Fisher 
Answer:
 person: J. B. S. Haldane; person: R. A. Fisher