74577
Iron Workers Union General President Walter Wise serves as the labor co-chair and Ben Hur Construction Company president and CEO Bill Brown serves as the management co-chair .
 organization: Construction
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: Construction 
Answer:
 organization: Construction