311
By the Mesolithic , hunting strategies had diversified with the development of these more far-reaching weapons and the domestication of the dog about 15,000 years ago .
 None
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:  
Answer:
 None