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: 'betray', Sentence: 'Judas had agreed to betray Jesus for the sum of thirty pieces of silver .'
Example Output: betray

Example Input: Given Relationship: 'begin on', Sentence: 'Last Wednesday marked the beginning of Lent , the 40-day period preceding Easter when Catholics and other Christians would abstain from meat and dairy products in memory of Jesus40 days of fast and prayer before dying on the cross .'
Example Output: beginning

Example Input: Given Relationship: 'be president of', Sentence: 'Presently , Dr Ingrid Mattson is the first woman president of the Islamic Society of North America .'
Example Output:
president