21456
Blenheim is about 2.5 km to the north , and Blenheim is about 2.5 km to the northwest .
 Blenheim, Blenheim
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Blenheim, Blenheim