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.

Given Relationship: 'attack', Sentence: 'The Japanese attack on Pearl Harbor on Dec. 7 , 1941 led soldiers of the 28th to remain on active for the duration of the war .'
attack

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

Given Relationship: 'be president-elect of', Sentence: 'BARACK OBAMA , President-elect of the United States : We are going to ban all earmarks , the process by which individual members insert pet projects without review .'

President-elect