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.

Example Input: Given Relationship: 'file to', Sentence: 'July 9th , 2002 - Coming this fall , Nintendo 's Game Boy To Play MP3 and WMA files using a $ 99 add-on component .'
Example Output: files

Example Input: Given Relationship: 'graduate from', Sentence: 'Michelle Obama is a graduate of Princeton and Harvard Law School , now on leave from her job as an executive at one of Chicago 's largest medical centers .'
Example Output: graduate

Example Input: Given Relationship: 'be ally of', Sentence: 'Spain is a misunderstood ally of the United States .'
Example Output:
ally