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 Input:
Given Relationship: 'be descendant of', Sentence: 'Both Jews and Gentiles can become spiritual descendants of Abraham by believing on Jesus .'

Ex Output:
descendants


Ex 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 .'

Ex Output:
city


Ex Input:
Given Relationship: 'serve in', Sentence: 'John served as an officer in the Navy , and was promoted twice for his gallant conduct in action .'

Ex Output:

served