Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
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Question: in 2013, esther peterson was inducted into the us department of labor's hall of honor.

Answer: esther peterson


Question: ricardo de la espriella toral (born september 5, 1934) is a panamanian politician.

Answer: ricardo de la espriella


Question: paul biya (born paul barthélemy biya'a bi mvondo; 13 february 1933) is a cameroonian politician.

Answer:
paul biya