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.

[EX Q]: Given Relationship: 'be county in', Sentence: 'Louth A county of the Republic of Ireland , occupying 307 square miles in the northeast .'
[EX A]: county

[EX Q]: Given Relationship: 'be city of', Sentence: 'It is the only freighter service operating from Coimbatore Airport , which is located in a highly industrialised area and is the second largest city in the state of Tamil Nadu .'
[EX A]: city

[EX Q]: Given Relationship: 'be president of', Sentence: 'It was one of the events leading to the inauguration of Barack Obama , the 44th president of the United States of America on January 20 , 2009 .'
[EX A]:
president