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: 'buy', Sentence: 'YE0EHMVE Tussionex xanax buy overnight online tramadol .'
[A]: buy


[Q]: Given Relationship: 'become', Sentence: 'Elected Vice President in 1944 , Truman became President upon Roosevelt 's sudden death in April 1945 and was immediately faced with the problems of winding down the war against the Axis and preparing the nation for postwar adjustment .'
[A]: became


[Q]: Given Relationship: 'be founder of', Sentence: 'Microsoft founder Bill Gates says it could be four years before the world 's troubled economies return to economic growth .'
[A]:
founder