Text: Ask your waiter for the  catch of the day,  and if pez espada (swordfish) has been hauled ashore earlier on, he'll proudly recommend a satisfying grilled steak of it.
Entailment: If swordfish is the catch of the day, the waiter will happily recommend it.
Contradiction: The waiter will strongly advise you not to eat swordfish if you ask him.