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: 'Join us in supporting Hillary Clinton for President of the United States to bring back our democracy !'

Ex Output:
President

Ex Input:
Given Relationship: 'join', Sentence: 'Football star David Beckham will remain in Italy after joining AC Milan while his wife Victoria will stay back in Los Angeles with their three ...'

Ex Output:
joining

Ex Input:
Given Relationship: 'be country in', Sentence: 'Malawi 's staple food is maize but like other countries in Southern Africa , Malawi has repeatedly been affected by famines since 2002 , when food was scarce for almost one third of the population .'

Ex Output:
countries