Anchor: There were no towns, and the cow was the medium of exchange.
Entailed: The medium of exchange was the cow.
Contradiction: There were towns all over the countryside.
Contradiction: I have no need for bus tickets.
Contradiction: Two young kids seated at a concert hall watching a band.
Contradiction: Two men walk on the sidewalk as a car passes by.
Contradiction: Kentucky will lose a lot of grant money next year.