9289
Several studies have reported a large amount of sexual dimorphism in " Australopithecus " , an evolutionary ancestor of human beings that lived between 2 and 5 " million years ago .
 location: Australopithecus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Australopithecus