Text: Greek mythology also has it that Andromeda, the beautiful daughter of the King of Jaffa, was chained to a rock at sea just outside the harbour, as a sacrifice to a sea monster (but she was rescued just in time by Perseus).
Entailment: According to Greek mythology, Andromeda was sacrificed to a sea monster.
Contradiction: King Jaffa's son was chained to a rock by the sea.