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: fair use is the idea that it should be okay for a person to reuse something that another person has created, in certain amounts and for certain purposes, without breaking the law.

Answer: fair use


Question: joe the plumber, nickname of "samuel joseph "joe" wurzelbacher", (born december 3, 1973 in toledo, ohio) is an american commentator, motivational speaker and political activist.

Answer: joe the plumber


Question: ryan o'marra (born june 9, 1987) is a japanese-born canadian retired professional ice hockey centre.

Answer:
ryan o'marra