Anchor: Of course you don't need to visit Edinburgh during the summer festivals to see performances of the arts.
Entailed: You can see performances in Edinburgh during the year.
Contradiction: There are only festivals in summer in Edinburgh.
Contradiction: The cat was playing.
Contradiction: The woman is running.
Contradiction: Those stamps have lost a lot of value since we got them.
Contradiction: There are centers in Dallas that buy material for recycling.