Anchor: A group of people, of all ages, listening to a concert being performed by a solo practitioner.
Entailed: People listen to live music.
Contradiction: A band is playing a concert for a group of people.
Contradiction: The audience is listening to an orchestra.
Contradiction: A rock band performs a concert for some 20-somethings.
Contradiction: A group people are watching a movie.
Contradiction: People watch a soccer game.