Anchor: You'll need to don hiking boots to get to the summit.
Entailed: to get to the summit, you'll have to wear hiking boots.
Contradiction: There is no footwear required to reach the summit.
Contradiction: We do not have a computer, and don't need one.
Contradiction: A human lying
Contradiction: A man slides down a banister next to stairs.
Contradiction: The bird likes to look at the ocean.