Anchor: Since then it has been used as a royal palace, army post, school, and prison.
Entailed: It has been used for an array of things since then.
Contradiction: It has only been used for it's original intended use.
Contradiction: A dog is sleeping in the park
Contradiction: There are many ways that the asking of questions and investigation can be flawed.
Contradiction: Someone is riding a bicycle.
Contradiction: The group is waiting for the food to be done.