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.

[EX Q]: Given Relationship: 'open in', Sentence: 'Following a private dedication on June 2 , the Shinnecock Cultural Center and Museum opened to the public on June 16 2001 .'
[EX A]: opened

[EX Q]: Given Relationship: 'buy', Sentence: 'Overall , diabetes is one of the therapy might start by the end of 2005 , and eventually about 400 patients buy cheap uk viagra will be revolutionary cheapest online viagra cheap generic viagra online viagra pills , he added dr . buy cheap viagra online uk Melman is a reasonable possibility since atherosclerosis of arteries decreases blood supply cheapest viagra to both heart and penis .'
[EX A]: buy

[EX Q]: Given Relationship: 'be president of', Sentence: 'Mary Robinson became the first female president of Ireland in 1990 .'
[EX A]:
president