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: in greek mythology, the nereids ( "nereides") are sea nymphs, the fifty daughters of nereus, the old man of the sea, and the okeanid doris.

Output: nereid


Input: Consider Input: dita von teese (born heather renée sweet on september 28, 1972) is an american performer of burlesque, actress, model, singer.


Output: dita von teese