Anchor: A person with a camera is taking a photo of two children on the stairway.
Entailed: The two children are near one another.
Contradiction: There is only one child shown.
Contradiction: The other guy he is talking to is not foreign.  
Contradiction: A dog is getting exercise.
Contradiction: The people are walking slowly.
Contradiction: The inability to trace cost directly to the outputs is part of what defines the Common Cost.