Anchor: All hotels accept major credit cards.
Entailed: Major credit cards are accepted at all hotels. 
Contradiction: Most of the hotels only accept cash payments. 
Contradiction: A musician plays the guitar on the sidewalk in a big city.
Contradiction: Some children are playing
Contradiction: A surfer is coming back in from an hour of surfing
Contradiction: I had no idea it would turn to goop so quickly.