1509
In Washington , U.S. strategists upgraded the missile threat from Pyongyang from potential to real and decided that the communist country required high-level attention .
 Located in: Washington, U.S.
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: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Located in: Washington, U.S.