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: 'be wife of', Sentence: 'Michelle Obama , wife of Democratic Presidential candidate Barack Obama , acknowledges the crowd at the Democratic National Convention 2008 at the Pepsi Center in Denver , Colorado , on August 25 , 2008 .'

Ex Output:
wife


Ex Input:
Given Relationship: 'be island in', Sentence: 'Travellers are advised to avoid travelling to most of Mindanao , an island in the southern Philippines , especially the Zamboanga peninsula and the Sulu archipelago , where ethnic and religious animosities fuel ongoing violence .'

Ex Output:
island


Ex Input:
Given Relationship: 'be head by', Sentence: '1.The Contest Committee , headed by the Contest Chairman , shall have final determination of what events will qualify for recognition .'

Ex Output:

headed