2139
Singapore doctors will proceed with an unpredecented and risky operation to separate a pair of adult Iranian twins joined at the head , a hospital official said Friday .
 geographical social political: Singapore; geographical social political: Iranian; organization: hospital; person: Singapore doctors; person: a pair of adult Iranian twins joined at the head; person: a hospital official
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: Singapore, Iranian, hospital, Singapore doctors, a pair of adult Iranian twins joined at the head, a hospital official 
Answer:
 geographical social political: Singapore; geographical social political: Iranian; organization: hospital; person: Singapore doctors; person: a pair of adult Iranian twins joined at the head; person: a hospital official