Detailed Instructions: 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.
Problem:Given Relationship: 'be city in', Sentence: 'The University of Plovdiv " Paisii Hilendarski " is located in Plovdiv , which is the second largest city in Bulgaria and the largest administrative , economic , cultural and scientific center in Southern Bulgaria .'
Solution:
city