Anchor: A young girl sets her foot on the ground to provide balance while riding her bike through the park.
Entailed: A young girl rides her bike through the park.
Contradiction: A boy shoots a winning goal in a hockey match.
Contradiction: The group of people are standing on a roof with hammers in their hands.
Contradiction: The model we develop would be used to figure out the USO burden for posts that have different per capita volumes.
Contradiction: I wrote all of the introductions myself. 
Contradiction: also short of cash?