premise1: A dog with a muzzle is leading several other dogs in a race
premise2: A muzzled dog in a race, with four dogs following.
premise3: Five dogs are racing on a dirt track.
premise4: Five dogs are racing.
premise: A dog with a muzzle is leading several other dogs in a race A muzzled dog in a race, with four dogs following. Five dogs are racing on a dirt track. Five dogs are racing.
hypothesis: Greyhounds racing.