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 capital of', Sentence: 'Cusco is the ancient capital of Inca empire and is a beautiful , beautiful town .'

Ex Output:
capital


Ex Input:
Given Relationship: 'invade', Sentence: 'In 2003 , the United States , under President Bush , invaded Iraq to change the regime .'

Ex Output:
invaded


Ex Input:
Given Relationship: 'be island in', Sentence: 'Sardinia is an island in the Mediterranean Sea .'

Ex Output:

island