1888
Switzerland expanded the production of its exising units through an uprate increasing capacity by 13.4 % In addition there are a number of research reactors in  Switzerland  such as the CROCUS reactor at the  Polytechnique de Lausanne  .
 country of headquarters: Switzerland, Polytechnique de Lausanne
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: Switzerland, Polytechnique de Lausanne