Anchor: It doesn't operate all year round, however, and it is open to the public only in April.
Entailed: It is only open to the public in April.
Contradiction: It is open year round and always open to the public.
Contradiction: Sports officials argue at a football game.
Contradiction: There is a feline with it's eyes narrowed.
Contradiction: The tennis player in blue swung the racket.
Contradiction: a group of athleste in a rink