Anchor: Not long ago, Lingua Franca (and others) declared that sociology is dead.
Entailed: Sociology was declared dead by Lingua Franca not long ago. 
Contradiction: According to Lingua Franca, Sociology is thriving and well. 
Contradiction: I found out the price of oil and it's too high.
Contradiction: a man is outside
Contradiction: A man is riding the bicycle.
Contradiction: A skateboarder jumps in the air.