Anchor: Microsoft's position is a reflection of an economic phenomenon often referred to as network externalities (a k a positive economic feedback or increasing returns to scale).
Entailed: Microsoft has been experiencing increasing returns to scale.
Contradiction: Microsoft is not currently experiencing positive economic feedback.
Contradiction: We have never stepped foot in Texas Stadium.
Contradiction: John was concerned what would happen when the two people met.
Contradiction: the man is jestering in front of the king
Contradiction: A person is sitting on their front step.