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.

Example Input: aaron sherritt (1855 - 26 june 1880) was a close friend of joe byrne and later ned kelly.
Example Output: aaron sherritt

Example Input: saint-maurice-de-beynost is a commune.
Example Output: saint-maurice-de-beynost

Example Input: the mini estadi (english: mini stadium) is the home stadium of fc barcelona b, the reserve team of fc barcelona.
Example Output:
mini estadi