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: 'If China would choose to ever attack Taiwan , with such a huge force , the U.S. would have great difficulty repelling such a large military that could quickly overrun the Island .'
attack

Given Relationship: 'be appoint by', Sentence: 'The Chair of SPIFF shall be appointed for a two-year term by the President of the Congregation with the approval of the Board of Trustees .'
appointed

Given Relationship: 'present to', Sentence: 'Paper presented at the 5th National Conference on Gambling Behavior , Duluth , MN , July , 1991 .'
presented