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Nader became crueller and crueller as a result of his illness and his desire to extort more and more tax money to pay for his military campaigns. More and more revolts broke out and Nader crushed them ruthlessly, building towers from his victims`` skulls in imitation of his hero Timur. In 1747, Nader set off for Khorasan where he intended to punish Kurdish rebels. Some of his officers feared he was about to execute them and plotted against him. Nader Shah was assassinated on 19 June 1747, at Fathabad in Khorasan. He was surprised in his sleep by Salah Bey, captain of the guards, and stabbed with a sword. Nader was able to kill two of the assassins before he died.
 place of death: Nader Shah, Khorasan
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: Nader Shah, Khorasan