Anchor: However, be sure you compare prices and models before buying.
Entailed: Be certain to compare the prices and models before purchasing.
Contradiction: Don't compare prices and models at all, simply buy away.
Contradiction: Two boys are rollerblading on ice.
Contradiction: Two men are walking down a street.
Contradiction: The people are on a bus.
Contradiction: Julius was flushed with utter vexation at the memory.