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.

[EX Q]: 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 .'
[EX A]: province

[EX Q]: Given Relationship: 'be professor of', Sentence: 'Your nerves learn to communicate more effectively with your muscle cells , allowing the muscle to recruit more cells during each contraction , says Mark A. W. Andrews , PhD , associate professor of physiology at Lake Erie College of Osteopathic Medicine in Erie , Pa .'
[EX A]: professor

[EX Q]: Given Relationship: 'be city in', Sentence: 'Living the Latin motto , " Fortiter in Re " or " Courageously in every enterprise , " Omaha is the biggest city in the U.S. State of Nebraska and serves as the county seat of Douglas County .'
[EX A]:
city