Anchor: a young man standing outside of a fire stairway.
Entailed: The young man is near a fire stairway.
Contradiction: The young man is standing on the steps of a fire stairway.
Contradiction: A woman in a reflector-vest stands in front of a cement truck near a flagpole.
Contradiction: The temperature was humid and horrible. 
Contradiction: In the Smith/Voinovich/Brownback analysis, when analyzing SO2 and NOx reduction levels, mercury levels were less modest than S 556 and large CO2 reductions.
Contradiction: The OPM's retirement team shared information and this led to improved work output.