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: 'Western Russia makes up the east part of Europe and has all its famous cities such as Moscow , St . Petersburg , Stalingrad , Leningrad etc .'
[A]: part


[Q]: Given Relationship: 'be city in', Sentence: 'Only Auckland of New Zealand cities rated higher as it was ranked fifth in the world in 2006 and 2007 .'
[A]: cities


[Q]: Given Relationship: 'be city of', Sentence: 'Valencia is Spain third largest city and has experienced a cultural renaissance in recent years .'
[A]:
city