7125
Despite the official diagnosis of death from stroke consequences the  Russian  scientist  Ivan Pavlov  reported that Lenin died of neurosyphilis according to a publication by V. Lerner and colleagues in the European Journal of Neurology in 2004 .
 origin: Russian, Ivan Pavlov
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:
 origin: Russian, Ivan Pavlov