Anchor: Even the burning of the venom was gone.
Entailed: Even the burn of the poison had left him. 
Contradiction: The venom would not leave him. 
Contradiction: A man works with the conductor on a subway car or train.
Contradiction: The doctor's desire to get a diagnosis is what motivates the process.
Contradiction: Children can not see what is happening in a horse-drawn carriage.
Contradiction: Three businessmen are outdoors.