50644
Bateman 's principle anticipated and is consistent with Robert Trivers 's theory of Parental investment -- in most species females are a limiting resource over which males , will compete .
 person: Robert Trivers
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: Robert Trivers 
Answer:
 person: Robert Trivers