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.
--------
Question: 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 .'

Answer: president


Question: Given Relationship: 'be university in', Sentence: 'University of Tokyo is the only University in Japan which has a system of two years of general education before let the students choose and move on to the major studies .'

Answer: University


Question: Given Relationship: 'lead', Sentence: 'Clinton led McCain by 29 points in March , 61 % to 32 % .'

Answer:
led