Anchor: There were dark paintings on the wall, paintings of beasts of nightmare.
Entailed: The wall had paintings.
Contradiction: The walls were bare.
Contradiction: A boy swims with his friends.
Contradiction: A man sitting on bench listining to the music.
Contradiction: There are many restrictions on trading and government second guessing. 
Contradiction: An excellent National Park booklet is available in English at the Tourist Office.