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.

defibrillation is the act of defibrillating the heart to treat the heart when it is not pushing blood because the heart muscle is not working in any pattern.
defibrillation

saint-maurice-de-beynost is a commune.
saint-maurice-de-beynost

eli whitney (december 8, 1765 – january 8, 1825) was an american inventor.

eli whitney