1671
Ernst Jakob  Lennart von Post  ( June 16 1884 - January 11 1951 ) was a  Swedish  naturalist and geologist .
 origin: Lennart von Post, Swedish
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: Lennart von Post, Swedish