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That follows a more subtle decline in the prior six months , after Manhattan rents had run up rapidly since 1986 .
 date: six months; geographical social political: Manhattan; date: 1986
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 date: six months; geographical social political: Manhattan; date: 1986