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.

migennes is a commune.
migennes

rudolf kargus (born 15 august, 1952) is a former german football player.
rudolf kargus

nofap or fapstinence is a group that tries to stop masturbating and watching porn.

nofap