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.

causality is a way to describe how different events relate to one another.
causality

jan mølby is a former football player.
jan mølby

anne cuneo (september 1936 – 11 february 2015) was a french-born swiss journalist, novelist, theatre and movie director and screenwriter.

anne cuneo