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.
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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: 'turn to', Sentence: 'Gabrielle never turned to look at Xena , she wanted to be surprised .'

Answer: turned


Question: Given Relationship: 'begin in', Sentence: 'World War I begins in Europe on July 28 , 1914 when Austria-Hungary declares war on Serbia .'

Answer:
begins