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.

Ex Input:
francis george steiner, fba (born april 23, 1929) is a french-born american literary critic, essayist, philosopher, novelist, and educator.

Ex Output:
george steiner


Ex Input:
noel cobb (21 march 1938 – 2 january 2015) was an american-born british philosopher, psychologist, and author.

Ex Output:
noel cobb


Ex Input:
winter's tale is a 2014 supernatural fantasy, mystery and romantic drama movie.

Ex Output:

winter's tale