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.

[Q]: Given Relationship: 'be part of', Sentence: 'So it comes as no surprise that Russia was part of Europe .'
[A]: part


[Q]: Given Relationship: 'be city in', Sentence: 'Mumbai is the second most populous city in India and the country 's chief principal west seaport .'
[A]: city


[Q]: Given Relationship: 'be city of', Sentence: 'The University of Illinois at Chicago is the city 's largest university , consisting of the nation 's largest medical school .'
[A]:
city