Anchor: A boy slides through a tube.
Entailed: A boy is sliding down.
Contradiction: A boy is swimming in a pool.
Contradiction: a woman drinking at the bar
Contradiction: The Museo Municipal Mariano Benlliure contains a collection of his works. 
Contradiction: Malecen was not wrecked by ocean waves and salty sea spray.
Contradiction: There is a series of papers on finance and economics discussion.