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.
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Question: Given Relationship: 'kill', Sentence: 'David kills the Amalekite for killing Saul , his enemy .'

Answer: kills


Question: Given Relationship: 'present at', Sentence: 'Paper presented at Workshop on Economics , IUCN General Assembly , 4-5th February , Costa Rica .'

Answer: presented


Question: Given Relationship: 'be senator from', Sentence: 'Obama-mania From a junior senator from Illinois to the next president of the United States , Barack Obama broke down barriers and inspired an unprecedented grassroots movement in 2008 .'

Answer:
senator