109200
Current Speedlights and other Nikon accessories make up part of Nikon 's Creative Lighting System , which includes the Advanced Wireless Lighting , that enables various Nikon cameras to control multiple Nikon flash units in up to three separate controlled groups by sending encoded pre-flash signals to slave units .
 organization: Nikon; organization: Nikon; organization: Nikon; organization: Nikon
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Nikon, Nikon, Nikon, Nikon 
Answer:
 organization: Nikon; organization: Nikon; organization: Nikon; organization: Nikon