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: 'be commander in', Sentence: 'On issue after issue our hyper-partisan President has abused both the chain of command and his trust as Commander in Chief .'
Example Output: Commander

Example Input: Given Relationship: 'be country in', Sentence: 'Ukraine , a beautiful country in Eastern Europe , presents not only gorgeous landscapes , but most sex-appealing girls .'
Example Output: country

Example Input: Given Relationship: 'power by', Sentence: 'AOL Radio powered by CBS Radio features over 200 stations spanning more than 25 genres of music plus 150+ CBS Radio stations from across the U.S. iPhone and iPod touch users can access hundreds of free music stations plus a variety of popular terrestrial news/sports/talk programming , including WFAN-AM and 1010...'
Example Output:
powered