37967
Plotting group size possible from endocranial volume , suggests that AMH populations ( minus occipital lobe size ) , had a Dunbars number of 144 possible relationships .
 Dunbars
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dunbars