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popped up on Facebook: Make Mark Stone Prime Minister. Even I am not breathless enough to suggest that seriously. But David Cameron and Boris Johnson were not in Clapham - or London - on that dark Monday night. So if every story needs a hero, then perhaps Mark Stone is it.
 place of birth: Mark Stone, London
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 birth: Mark Stone, London