Anchor: He was reasonably sure by now that they had no transistors, signal generators, frequency meters or whatever else he could demand.
Entailed: He was pretty sure they had none of the equipment he needed.
Contradiction: They had everything he needed.
Contradiction: The boys are sitting at the dinner table.
Contradiction: A mans makes a slide for home during a baseball game.
Contradiction: The shoppers are all black people.
Contradiction: Guys in uniform.