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President Clinton and the Democratic presidential candidate were among thousands of mourners who gathered in Missouri at a memorial service for Democratic Governor Mel Carnahan who died Monday in a plane crash .
 Clinton, Democratic, thousands, Missouri, Democratic, Mel Carnahan, Monday
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:
 Clinton, Democratic, thousands, Missouri, Democratic, Mel Carnahan, Monday