TASK DEFINITION: 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.
PROBLEM: Given Relationship: 'be president of', Sentence: 'The United States of America just inaugurated its 44th president , Barack Obama .'

SOLUTION: president

PROBLEM: Given Relationship: 'be situate in', Sentence: 'The Pyramid Hotel is situated in Nakhodka City Centre .'

SOLUTION: situated

PROBLEM: Given Relationship: 'head', Sentence: 'It is appropriate if Wolfowitz , as the head of World Bank , so decides and it is not illegal .'

SOLUTION:
head