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.
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Question: Given Relationship: 'be president of', Sentence: 'Of those 29 only one refers to general politics it is the one I signed with my colleague , the President of the People 's Republic of China , Mr Hu Jintao .'

Answer: President


Question: Given Relationship: 'control', Sentence: 'If Congress and the White House are both controlled by Republicans , we as workers will find ourselves under attack .'

Answer: controlled


Question: Given Relationship: 'be city of', Sentence: 'Adelaide , the capital of South Australia , is a beautiful garden city rich with parks and greenery also offering visitors exciting nightlife and plenty to see and do .'

Answer:
city