instruction:
From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.
question:
Given Relationship: 'be city in', Sentence: 'Cost : customised by the event agencies that supervise City Tracks : EventMosaic in Ghent , Bruges and Ostend and Kelly Events in Antwerp and other Belgium cities .'
answer:
cities

question:
Given Relationship: 'be country in', Sentence: 'Ukraine , a beautiful country in Eastern Europe , presents not only gorgeous landscapes , but most sex-appealing girls .'
answer:
country

question:
Given Relationship: 'control of', Sentence: 'When Hamas seized military control of the Gaza Strip last year , some Israeli strategists began pushing the idea of sealing the borders and washing their hands of all responsibility for the 1.5 million Palestinians living in enveloping isolation .'
answer:
control