Premise: A street vendor with a green apron smiles behind his food cart.

Hypothesis: A man is smiling as he serves hot dogs.
it is not possible to tell

Premise: A baseball batter in white pants and a black shirt attempting to hit a baseball with a catcher behind him and an umpire behind the catcher.

Hypothesis: A baseball batter is sitting in the dugout
no

Premise: Large dog running in snow

Hypothesis: A dog playing in the snow.
yes

Premise: A person dressed in a blue shirt and jeans looks past the trees to the horizon.

Hypothesis: A man looks at the setting sun on the horizon.
it is not possible to tell