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: rita gam (april 2, 1927march 22, 2016) was an american and television actress and documentary filmmaker.

Output: rita gam


Input: Consider Input: real madrid castilla is a spanish football team.

Output: real madrid castilla


Input: Consider Input: the lamborghini miura is a sport car that was built by lamborghini from 1966 to 1972.


Output: lamborghini miura