Anchor: There is a lot of people watching a group of people playing the violin on stage.
Entailed: People are playing music.
Contradiction: There are many observers at the golf tournament this week.
Contradiction: A girl is riding a skateboard.
Contradiction: October through February is when the season is run.
Contradiction: A ballerina is relaxing after a performance.
Contradiction: There is a port redevelopment project in Yokohama.