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 president of', Sentence: 'When Barack Obama became the 44th president of United States , there was a sense of ecstasy , joy and relief in virtually every country of the world , except in Pakistan , Iraq and Afghanistan .'

Ex Output:
president

Ex Input:
Given Relationship: 'be city in', Sentence: 'Gardner is a city in Johnson County , Kansas , USA....'

Ex Output:
city

Ex Input:
Given Relationship: 'be city in', Sentence: 'If you look into our directory you will find listings into cities in California such as : San Jose , Santa Clarita , Vallejo - Fairfield - Napa Valley , Yuba City , San Diego , Chula Vista , Santa Maria - San Luis Obispo , Stockton , Merced , Riverside .'

Ex Output:
cities