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 Q]: Given Relationship: 'present at', Sentence: 'Paper presented at Annual Conflict Research Society Conference , University of Ulster Magee Campus , Northern Ireland , 1-3 September 2004 .'
[EX A]: presented

[EX Q]: Given Relationship: 'be surround by', Sentence: 'Lesotho is geographically surrounded by South Africa and economically integrated with it as well .'
[EX A]: surrounded

[EX Q]: Given Relationship: 'be create by', Sentence: 'When the World Wide Web was created in 1989 by Tim Berners-Lee , its main objective was to enable the free exchange of information via interlinked hypertext documents .'
[EX A]:
created