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: 'approve', Sentence: 'Some groups of mechanism of Adderall is I want to make it ca n't take the of it There are Donald fda approved generic viagra sildenafil citrate the commercial in prison anyone battling relaxed at the end product did n't stick .'

A: approved
****
Q: Given Relationship: 'be president of', Sentence: 'Remember just a few short years ago ? Bill Clinton was President of the United States , Tony Blair was a popular figure , the Patriots still sucked , and virtually every male you knew would watch professional wrestling on a Monday Night .'

A: President
****
Q: Given Relationship: 'be president of', Sentence: 'This week Barack Obama was elected 44th President of the United States .'

A:
President
****