301422
The northern extension runs from to , connecting with the North London Line ; this section became operational as far as in late May 2010 , and to Highbury & Islington on 28 February 2011 , with trains every 5 minutes on the central section between Dalston Junction and Surrey Quays .
 None
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:  
Answer:
 None