Anchor: A plane is diving through the sky creating a cloud of smoke behind it.
Entailed: the plane is leaving a trail of smoke
Contradiction: the air balloon is leaving a trail of smoke.
Contradiction: Nobody is sitting.
Contradiction: Men are digging with shovels.
Contradiction: In all cases, LSFO systems are less resource intensive than power-hungry FGD technologies.
Contradiction: It obvious your distaste for him.