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: rudolf kargus (born 15 august, 1952) is a former german football player.

Answer: rudolf kargus


Question: leni robredo (born april 23, 1965) is a filipina lawyer and politician.

Answer: leni robredo


Question: chelers is a commune.

Answer:
chelers