Anchor: A group of children are standing in a circle holding hands.
Entailed: Each child is holding hands with two other children.
Contradiction: They are holding hands in a straight line.
Contradiction: His favorite thing to study is climate change and its impact on the antarctic. 
Contradiction: Individualized checking accounts are impractical.
Contradiction: A black man wearing a helmet rides his bike.
Contradiction: Man wearing white is walking toward fence