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: '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 .'

SOLUTION: beginning

PROBLEM: Given Relationship: 'invade', Sentence: 'In 2003 , the United States , under President Bush , invaded Iraq to change the regime .'

SOLUTION: invaded

PROBLEM: Given Relationship: 'present at', Sentence: 'Paper presented at the Annual Meeting of the Society for Historical Archaeology Conference on Historical and Underwater Archaeology .'

SOLUTION:
presented