Anchor: Two children stand with a net by a shallow shore.
Entailed: Two children have a net.
Contradiction: Two children have a cake and two cookies.
Contradiction: I refuse to take a class on etiquette.
Contradiction: Good, good!
Contradiction: A group of dogs are walking in the same area.
Contradiction: So, luckily, very little of extremely bad things get done--or extremely good, for that matter.