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In the Bell Labs experiments , an MRI - type of machine , synchronized with the heartbeat via an electrocardiogram , rapidly flashes a magnetic field on and off as blood passes a certain point in a vessel .
 organization: Bell Labs
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
 Entities: Bell Labs 
Answer:
 organization: Bell Labs