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: 'present at', Sentence: 'Paper presented at Workshop on Economics , IUCN General Assembly , 4-5th February , Costa Rica .'

Ex Output:
presented


Ex Input:
Given Relationship: 'be region of', Sentence: 'Murcia is a region of Spain .'

Ex Output:
region


Ex Input:
Given Relationship: 'become', Sentence: 'I am of the strong conviction that Barack Obama will eventually wear out McCain.Mark my word Baraack Obama will become the next President of The United States of America .'

Ex Output:

become