Anchor: Man cleaning off stone stairs on a sunny day.
Entailed: Someone is near a set of stone stairs.
Contradiction: A man is treading mud across the stone stairs on a cloudy day.
Contradiction: car follows bus
Contradiction: Some people fainted when they heard the emperor's voice.
Contradiction: The sound of the man talking was coming through the radio. 
Contradiction: I wasn't sure of my next step.