Anchor: One slender man and one stout man walk on a city sidewalk.
Entailed: Two people are walking on a sidewalk.
Contradiction: The two guys are at a bar.
Contradiction: No, it is not, because it is the same language.
Contradiction: The dogs in the picture are at least a little wet.
Contradiction: there is a pure water no chance of muddy stuff
Contradiction: Men with camels are on a beach.