8491
In 1717 Tiberius Hemsterhuis was appointed professor of Greek at the University of Franeker, to replace Lambert Bos, but he did not enter on his duties there till 1720. In 1738 he became professor of national history as well. Two years afterwards he was called to teach the same subjects at Leiden , where he died on the 7 April 1766.
 place of death: Tiberius Hemsterhuis, Leiden
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: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 place of death: Tiberius Hemsterhuis, Leiden