Anchor: Too ugly even when considering the steeply discounted promotional price of the flight.
Entailed: The flight had a promotional discount on its' price.
Contradiction: The flight had no discount on its' price.
Contradiction: It was never used in trade.
Contradiction: The foundations for the development of a Polish language and nation have been provided by the Polonian tribe, which settled the area that today is western Poland around Poznan.
Contradiction: Focus isn't passengers
Contradiction: Experimental Studying Strategies, Single Case