Anchor: Two children are on a bed while playing with some toys.
Entailed: the children are playing with toys
Contradiction: the children are sleeping while watching a movie
Contradiction: No problem, I was expecting that.
Contradiction: It's been claimed that world population will fall within 50 years.
Contradiction: The dog is swimming in the water
Contradiction: There were many practising craftsmen in the pedestrian Calle de la Plateraa.