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.

Example Input: Given Relationship: 'be elect by', Sentence: 'Our Board of Trustees serve in a voluntary capacity and are elected by our voluntary branches or co-opted for their expertise .'
Example Output: elected

Example Input: Given Relationship: 'be president of', Sentence: 'Dwight D. Eisenhower , 34th President of the United States , born at Denison , Tex. , October 14 , 1890 .'
Example Output: President

Example Input: Given Relationship: 'be approve by', Sentence: 'Aspartame was approved by the FDA in 1981 despite concerns even then about its safety , and there continue to be worries that it triggers migraine headaches and is carcinogenic .'
Example Output:
approved