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.

Input: Consider Input: 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.

Output: joe the plumber


Input: Consider Input: "canuck" is a slang term for canadian people.

Output: canuck


Input: Consider Input: verenahof was a small part of west germany completely surrounded by land belonging to switzerland.


Output: verenahof