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 at', Sentence: 'Malfait N. , Ramsay J.O. and Froda , S. , Estimation by the finite element method in a functional linear model , Paper presented at the International Conference on Measurement and Multivariate Analysis , Banff , May 2000 .'

A: presented
****
Q: Given Relationship: 'control', Sentence: 'So a vote for McCain is probably a vote for the status quo as long as Democrats control Congress .'

A: control
****
Q: Given Relationship: 'be attack', Sentence: 'John McCain can make no political hay from attacking Obama for advocating a policy that Bush is already pursuing in "winding down " a war we are constantly told is already won .'

A:
attacking
****