Anchor: A man with a cowboy hat is playing a guitar and singing in a neighborhood, for tips.
Entailed: A man is playing music for tips.
Contradiction: A cowboy strips for tips.
Contradiction: The Portuguese never landed here, they landed on the east coast of China.
Contradiction: A performer plays music
Contradiction: a man is in a car on the way to work
Contradiction: The clown is riding a bike.