5355
doof , who is an electrical engineer , says his vision for the display was ahead of its time .
 person: doof , who is an electrical engineer; person: who; person: an electrical engineer; person: his
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: doof , who is an electrical engineer, who, an electrical engineer, his 
Answer:
 person: doof , who is an electrical engineer; person: who; person: an electrical engineer; person: his