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: serie d is the top level of the non-professional football clubs in italy.

Output: serie d


Input: Consider Input: felix yusupov was never punished for this murder.

Output: felix yusupov


Input: Consider Input: glemsford is a village and civil parish in babergh, suffolk, england.


Output: glemsford