187282
During Wu Zetian 's reign Around or before 696 , when Guo Yuanzhen was still at Tongquan , he captured over 1,000 local tribespeople and sold them as slaves so that he could have funds to maintain his guests , and the people of Tongquan were distressed .
 person: Wu Zetian; person: Guo Yuanzhen
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: Wu Zetian, Guo Yuanzhen 
Answer:
 person: Wu Zetian; person: Guo Yuanzhen