Anchor: During the Stone Age, these early farmers devised ways to make axes and other tools from the harder rocks in the area, and as time passed, permanent settlements began to be established in this sheltered backwater.
Entailed: During the stone age, early farmers devised ways to make axes.
Contradiction: Humans did not exist on Earth during the Stone age.
Contradiction: I'm glad we solved the problem even though I knew we would.
Contradiction: Yes, what kind of car model is it?
Contradiction: The current standard includes all materials utilized.
Contradiction: The successive children have been less solvent.