Just becuase there is snow does not mean he is currently in a winter storm.
The question and answer are below.
Premise: "A black and tan dog walking through the snow."
Hypothesis: "A dog is outside in a winter storm."
Do we know that the hypothesis entailed by the premise?
it is not possible to tell

The man is either cooking in an oven or making coffee.
The question and answer are below.
Given the sentence "A man cooking something in an old fire burning oven with a apron on." is it true that "A man in an apron is making a pot of coffee."?
no

Someone leaps while a person takes a photograph is simplified into one takes picture of another.
The question and answer are below.
Premise: "Someone in a black sweatshirt and jeans leaps into the air on a beach while a kneeling person in jeans and a black jacket takes a photograph."
Hypothesis: "One human takes a picture of another."
Do we know that the hypothesis entailed by the premise?
yes