Anchor: Local fire officials should be notified of any potentially hazardous conditions.
Entailed: Potentially hazardous conditions should be reported to the local fire officials.
Contradiction: Potentially hazardous conditions should not be reported to local fire officials.
Contradiction: Three girls are walking but doing nothing.
Contradiction: The building is lit up
Contradiction: A politician knows more than an economist. 
Contradiction: Two men in long-sleeved shirts leap in the air.