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According to Karel Vasak 's theory of three generations of human rights , economic , social and cultural rights are considered second-generation rights , while civil and political rights , such as freedom of speech , right to a fair trial , and the right to vote , are considered first-generation rights .
 Karel Vasak
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Karel Vasak