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.

Given Relationship: 'invade', Sentence: 'He referred to the USA invading Iraq without cause and nothing being done about it .'
invading

Given Relationship: 'be president of', Sentence: 'A month after writing this , he became President of the United States when Richard M. Nixon resigned .'
President

Given Relationship: 'look at', Sentence: 'A new look to an old recipe brings freshness to the dinner table .'
look