19905
The two main arguments were : ( 1 ) The quasar spectrum reveals it to be a narrow-line Seyfert 1 galaxy .
 location: Seyfert 1
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: Seyfert 1 
Answer:
 location: Seyfert 1