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Britain 's Thatcher summoned senior advisers for strategy talks as opinion polls showed the prime minister 's popularity had hit a record low following the resignation last Thursday of Chancellor of the Exchequer Lawson .
 Britain, Thatcher, last Thursday, Exchequer, Lawson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Britain, Thatcher, last Thursday, Exchequer, Lawson