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: 'look at', Sentence: 'Gabrielle swivelled round to look at the grinning Xena .'

Ex Output:
look


Ex Input:
Given Relationship: 'win', Sentence: 'Noting if Senator Barack Obama is successful in winning the U.S. Presidency and Democrats are able to increase their majority numbers in both the U.S. Senate and the House of Representatives , the labor movement should take the opportunity to increase its lobbying for the passage of pro-worker legislation like the " Protecting America 's Workers Act . "'

Ex Output:
in


Ex Input:
Given Relationship: 'be chairman of', Sentence: 'On Wall Street , many are blaming the chairman of the Federal Reserve Bank , Alan Greenspan , for falling stock prices and the poor state of the economy .'

Ex Output:

chairman