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Guest faculties from sister institutions like the  Indian Institute of Technology Delhi   Delhi  Technological University ( formerly Delhi College of Engineering ) and Netaji Subhas Institute of Technology give lecture classes to students .
 state or province of headquarters: Indian Institute of Technology Delhi, Delhi
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:
 state or province of headquarters: Indian Institute of Technology Delhi, Delhi