Text: It is unlikely that the mirror in the room overlooking the pond was the very one in which the sultan got his fatal peek at her, but the guides tell the story this way to make it more enticing for visitors.
Entailment: The guides tell this story to get visitors' attention, even though it's probably not true.
Contradiction: Historians believe that the traditional story is true, and he got his fatal peek at her in this very mirror.