Anchor: a muzzle greyhound dog running on a track
Entailed: A muzzle dog running on a track.
Contradiction: A muzzle poodle dog running on a track.
Contradiction: The people are sitting on a black bench.
Contradiction: A cost model involves data collection using regression analysis to estimate coefficients.
Contradiction: I think that's great!
Contradiction: A man with his dog is sitting outside.