Premise: Two young girls dressed in winter clothes play in a mound of snow.

Hypothesis: Two young people dressed in winter clothes play in a mound of snow.
yes

Premise: There is a person scaling a very steep rock wall.

Hypothesis: A person is scaling a rock wall.
yes

Premise: A gentleman trying to open a crab leg.

Hypothesis: the guy is opening a crab leg for his breakfast
it is not possible to tell

Premise: A skier jumps a snowdrift high in the trees.

Hypothesis: The skier is having a beer in the lodge.
no