Anchor: Snowboarder in midair above snowy hill.
Entailed: A snowboarder on a snowy hill is in midair.
Contradiction: A cat is sleeping in a tree.
Contradiction: We haven't been questioned about the security of our relationship together. 
Contradiction: A constant dollar is from dividing current dollar amount by price index
Contradiction: The two boys are walking up the steps.
Contradiction: Every moment is critical.