61966
A 2012 scientific study of a marked population by the University of Otago during a contemporary 1080 poison operation using cereal baits showed no negative impact on robins , and suggested a likely population increase by reducing predation pressure from introduced mammals .
 organization: University of Otago
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: University of Otago 
Answer:
 organization: University of Otago