Anchor: So be warned, the authorities take this seriously, and violators may be proseuted.
Entailed: This is not taken lightly by the authorities.
Contradiction: The authorities don't enforce this rule much.
Contradiction: The musicians stand at their mics on the stage at the bar.
Contradiction: A marching band performs.
Contradiction: The woman in black is playing an instument inside.
Contradiction: A group of people are hiking.