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: irving wayne hardin (march 23, 1926 april 12, 2017) was an american football player and coach.

Output: wayne hardin

Input: Consider Input: yoshikazu goto ( , goto yoshikazu, born february 20, 1964) is a japanese professional athlete.

Output: yoshikazu goto

Input: Consider Input: kesha wizzart (22 october 1988 12 july 2007) was an english singer.
Output: kesha wizzart