Anchor: Young African children are attending class in a one room schoolhouse.
Entailed: A group of children are learning.
Contradiction: A group of white children play outdoors.
Contradiction: Inappropriate. 
Contradiction: That is something that keeps you busy.
Contradiction: Andersen was completely out of control because the firm's practices were systemically reckless.
Contradiction: The top commercial companies capture design and manufacturing information to make key decisions on product development.