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: 'present to', Sentence: 'Paper presented at the CHI'2001 Conference on Human Factors in Computing Systems , Seattle , WA , April , 2001 .'

A: presented
****
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: 'be defeat by', Sentence: 'In 404 B.C. Sparta defeated Athens in the 27-year Peloponnesian War and , with it , an entire civilization was crushed .'

A:
defeated
****