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.

Q: pipo de clown (english: pipo the clown) is a clown who became very popular on dutch television.

A: pipo de clown
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Q: ernest gary gygax (july 27, 1938 – march 4, 2008) (ipa: ˈgaj.gæks) was an american writer and game designer.

A: gary gygax
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Q: royal rumble (2010) was the twenty-third annual royal rumble professional wrestling pay-per-view event made by world wrestling entertainment (wwe).

A:
royal rumble (2010)
****