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.

[Q]: Given Relationship: 'be region of', Sentence: 'Umbria is the hilly region of central Italy to the east of its more publicized neighbor Tuscany .'
[A]: region


[Q]: Given Relationship: 'be candidate for', Sentence: 'I believe that Barack Obama is the best candidate to succeed George W. Bush as President of the United States .'
[A]: candidate


[Q]: Given Relationship: 'present at', Sentence: 'Paper presented to the International Communication Association Conference , San Francisco , CA. , May 24-28 , 2007 .'
[A]:
presented