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The Orto botanico di  Pisa  also known as the Orto Botanico dell ' di Pisa is a botanical garden operated by the  University of Pisa  and located at via Luca Ghini 5 Pisa Italy .
 city of headquarters: Pisa, University of Pisa
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 city of headquarters: Pisa, University of Pisa