31795
Chinese proto-writing existed in Jiahu around 7000 " , Damaidi around 6000 " , Dadiwan from 5800 to 5400 " , and Banpo dating from the 5th millennium " .
 location: Jiahu; location: Damaidi; location: Dadiwan; location: Banpo
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: Jiahu, Damaidi, Dadiwan, Banpo 
Answer:
 location: Jiahu; location: Damaidi; location: Dadiwan; location: Banpo