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A Saudi Airways spokesman in London announced that passengers on the Saudi 777 Boeing , hijacked to Baghdad on Saturday and which arrived in Riyadh yesterday evening Sunday , left the Saudi capital for London at 2h43 local time ( GMT 22h43 ) , approximately 30 hours after the hijacking operation by two Saudi hijackers began .
 geographical social political: London; geographical social political: Baghdad; geographical social political: Riyadh; geographical social political: the Saudi capital; geographical social political: Saudi; geographical social political: London; geographical social political: Saudi; organization: Saudi Airways; organization: Saudi; person: A Saudi Airways spokesman in London; person: passengers on the Saudi 777 Boeing , hijacked to Baghdad on Saturday and which arrived in Riyadh yesterday evening Sunday; person: two Saudi hijackers; vehicle: the Saudi 777 Boeing , hijacked to Baghdad on Saturday and which arrived in Riyadh yesterday evening Sunday; vehicle: which
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: London, Baghdad, Riyadh, the Saudi capital, Saudi, London, Saudi, Saudi Airways, Saudi, A Saudi Airways spokesman in London, passengers on the Saudi 777 Boeing , hijacked to Baghdad on Saturday and which arrived in Riyadh yesterday evening Sunday, two Saudi hijackers, the Saudi 777 Boeing , hijacked to Baghdad on Saturday and which arrived in Riyadh yesterday evening Sunday, which 
Answer:
 geographical social political: London; geographical social political: Baghdad; geographical social political: Riyadh; geographical social political: the Saudi capital; geographical social political: Saudi; geographical social political: London; geographical social political: Saudi; organization: Saudi Airways; organization: Saudi; person: A Saudi Airways spokesman in London; person: passengers on the Saudi 777 Boeing , hijacked to Baghdad on Saturday and which arrived in Riyadh yesterday evening Sunday; person: two Saudi hijackers; vehicle: the Saudi 777 Boeing , hijacked to Baghdad on Saturday and which arrived in Riyadh yesterday evening Sunday; vehicle: which