Anchor: There were footsteps on the stairs above them, and voices.
Entailed: Sounds of a conversation the stairs spilled into the area below.
Contradiction: Silence greeted them from above.
Contradiction: THe man is sitting on a bench
Contradiction: They were yelling while holding a weapon.
Contradiction: A blue car is crashing into a crowd of spectators at a parade.
Contradiction: Practical and virtuous