Anchor: You will hang if you shoot me, muttered the Russian irresolutely.
Entailed: The Russian moaned distrustfully, "If you blast me, you'll hang."
Contradiction: The Russian remained quiet.
Contradiction: Blue collar workers do not work at these expensive plants. 
Contradiction: A man watches a child
Contradiction: There are four airplanes flying in the sky.
Contradiction: if the analysis indicated that the maximum level was lower prior to last years standards prescribing that lower standard would not necessarily be impermissible.