TASK DEFINITION: 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.
PROBLEM: Given Relationship: 'be convert to', Sentence: 'Not long after it had been sacked by Totila and its walls razed , Benevento became the seat of a powerful Lombard duchy , which soon converted from Arianism to Trinitarian Christianity .'

SOLUTION: converted

PROBLEM: Given Relationship: 'be president of', Sentence: 'Now George W. Bush is the President of the United States .'

SOLUTION: President

PROBLEM: Given Relationship: 'declare war on', Sentence: 'The War of 1812 was a war declared by the United States against Great Britain , lasting from June 18 , 1812 to February 18 , 1815 .'

SOLUTION:
declared