4177
seven of them , as i said , at enron .
 organization: enron; person: seven of them; person: them; person: i
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
 Entities: enron, seven of them, them, i 
Answer:
 organization: enron; person: seven of them; person: them; person: i