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: 'be elect by', Sentence: 'The General Assembly of ICSU is held every three years to discuss current development of science , to review strategy and programs of ICSU, and to elect a new executive board and officers .'

Answer: elect


Question: Given Relationship: 'be province of', Sentence: 'Associates and Camellia Universal Limited are closely working together on certain hotel development projects for Hilton Hotels Corporation and Hyatt in city of Zhenjiang of Jiangsu province and both cities of Hangzhou and Ningbo of Zhejiang province in China .'

Answer: province


Question: Given Relationship: 'be center of', Sentence: 'The U.S. Commercial Service Nigeria will host CTO 2008 from May 12 16 , 2008 , at the MUSON Center in Lagos .'

Answer:
Center