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 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: 'fire on', Sentence: 'The war began when a Confederate artillery battery fired on the Union-held Fort Sumter .'
[A]: fired


[Q]: Given Relationship: 'be part of', Sentence: 'No part of the Constitution is easier to read and comprehend than the First Amendment .'
[A]:
part