176882
Barrow shipyard is one of the largest in the United Kingdom ( having constructed well over 800 vessles in its history ) , rivalled only by those in Belfast , Birkenhead and Govan .
 location: Birkenhead; location: Govan
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: Birkenhead, Govan 
Answer:
 location: Birkenhead; location: Govan