298522
A product of the Sunderland youth system , he had only a few first-team outings for Sunderland before joining Blackburn Rovers in 1976 .
 organization: Sunderland; organization: Sunderland; organization: Blackburn Rovers
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: Sunderland, Sunderland, Blackburn Rovers 
Answer:
 organization: Sunderland; organization: Sunderland; organization: Blackburn Rovers