3250
Ranbaxy Laboratories   India  's largest drug maker has claimed protection for 112 drugs during the period including few which are at various stages of clinical development .
 country of headquarters: Ranbaxy Laboratories, India
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: Ranbaxy Laboratories, India