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: 'land on', Sentence: 'Huygens - landed on Titan , Saturn 's largest moon , in January 2005 .'
[A]: landed


[Q]: Given Relationship: 'be chairman of', Sentence: 'Warner , an influential Republican and former chairman of the Senate Armed Services Committee , on Thursday recommended that Bush announce the beginning of a U.S. withdrawal in mid-September and that those troops should be back in the United States by Christmas .'
[A]: chairman


[Q]: Given Relationship: 'be faster than', Sentence: 'PCI Express is much faster than AGP.'
[A]:
faster