292715
The company was founded by Reuben Berkley Benjamin , and filed its first patent for an electric lamp socket in 1898 .
 organization: Reuben Berkley Benjamin
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: Reuben Berkley Benjamin 
Answer:
 organization: Reuben Berkley Benjamin