8999
 Peter Clarke , London 's top counterterrorism police officer , said , '' The intelligence suggested that the devices were to be constructed in the United Kingdom and taken through British airports . '' 
 country capital: United Kingdom, London
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 country capital: United Kingdom, London