Anchor: He should mind his own lesson.
Entailed: He needs to be aware of his own lesson.
Contradiction: There is nothing that he needs to be made aware of.
Contradiction: An empty picnic table.
Contradiction: a boy is pouring water on a man
Contradiction: The British troops settled in the area.
Contradiction: Ductwork from the economizer outlet to the SCR reactor and back to the air preheater inlet must be accommodated, it doesn't matter where the SCR reactor is.