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.

Example Input: Given Relationship: 'join', Sentence: 'Turkey 's effort to join the European Union has already been an up and down affair .'
Example Output: join

Example Input: 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 .'
Example Output: city

Example Input: Given Relationship: 'present at', Sentence: 'Paper presented at the XVIII Mediterranean Conference in Istanbul .'
Example Output:
presented