1854
option to publish open access ( Editorial Board ) Plant Cell Reports - Springer He has a number of patentsKumar  Singapore  - Patent applicationsNOVEL SNAKE TOXIN - National University of SingaporePutative Cytokinin Receptor and Methods for Use Thereof -  NATIONAL UNIVERSITY OF SINGAPORE  and research accomplishments to his name.NUS - National University of Singapore He has also authored a number of books and research papers .
 country of headquarters: Singapore, NATIONAL UNIVERSITY OF SINGAPORE
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:
 country of headquarters: Singapore, NATIONAL UNIVERSITY OF SINGAPORE