Premise: A black dog is holding a bird in his mouth.

Hypothesis: A dog is going to eat a bird.
it is not possible to tell

Premise: A man in yellow shirt and black shorts walks down the steps of a crowded athletic stadium.

Hypothesis: A retired athlete is walking down the steps of a stadium.
it is not possible to tell

Premise: Two hockey players compete on the ice.

Hypothesis: There are two hockey players.
yes

Premise: A person wearing a red and black uniform is holding a bat and wearing a red batter's helmet while a girl sits behind in the same uniform.

Hypothesis: A person trying to impress a girl in the same uniform.
it is not possible to tell