23850
Paul Vixie started maintaining it in 1988 while working for Digital Equipment Corporation .
 person: Paul Vixie; organization: Digital Equipment Corporation
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: Paul Vixie, Digital Equipment Corporation 
Answer:
 person: Paul Vixie; organization: Digital Equipment Corporation